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This is a HL7 FHIR server, and as you appear to be accessing this page from a web browser you are seeing a HTML version of the requested resource(s). You can also access this URL from a FHIR client as a ReSTful API call. For more details please see the HL7 FHIR specification.
<?xml version="1.0" encoding="UTF-8" standalone="no"?><StructureDefinition xmlns="http://hl7.org/fhir">
   <id value="CareConnect-GPC-ProcedureRequest-1"/>
   <url value="https://fhir.nhs.uk/STU3/StructureDefinition/CareConnect-GPC-ProcedureRequest-1"/>
   <version value="1.3.0"/>
   <name value="CareConnect-GPC-ProcedureRequest-1"/>
   <status value="draft"/>
   <date value="2020-02-17"/>
   <publisher value="NHS Digital"/>
   <contact>
      <name value="Interoperability Team"/>
      <telecom>
         <system value="email"/>
         <value value="interoperabilityteam@nhs.net"/>
         <use value="work"/>
      </telecom>
   </contact>
   <description value="A record of a request for diagnostic investigations, treatments, or operations to be performed."/>
   <purpose value="CURATED BY INTEROPen on 6th September 2019.  See: http://www.interopen.org/careconnect-curation-methodology/ "/>
   <copyright value="Copyright © 2020 HL7 UK    Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at    http://www.apache.org/licenses/LICENSE-2.0    Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.    HL7® FHIR® standard Copyright © 2011+ HL7    The HL7® FHIR® standard is used under the FHIR license. You may obtain a copy of the FHIR license at    https://www.hl7.org/fhir/license.html"/>
   <fhirVersion value="3.0.1"/>
   <kind value="resource"/>
   <abstract value="false"/>
   <type value="ProcedureRequest"/>
   <baseDefinition value="http://hl7.org/fhir/StructureDefinition/ProcedureRequest"/>
   <derivation value="constraint"/>
   <snapshot>
      <element id="ProcedureRequest">
         <path value="ProcedureRequest"/>
         <short value="A request for a procedure or diagnostic to be performed"/>
         <definition value="A record of a request for diagnostic investigations, treatments, or operations to be performed."/>
         <alias value="diagnostic request"/>
         <min value="0"/>
         <max value="*"/>
         <base>
            <path value="Resource"/>
            <min value="0"/>
            <max value="*"/>
         </base>
         <constraint>
            <key value="dom-2"/>
            <severity value="error"/>
            <human value="If the resource is contained in another resource, it SHALL NOT contain nested Resources"/>
            <expression value="contained.contained.empty()"/>
            <xpath value="not(parent::f:contained and f:contained)"/>
         </constraint>
         <constraint>
            <key value="dom-1"/>
            <severity value="error"/>
            <human value="If the resource is contained in another resource, it SHALL NOT contain any narrative"/>
            <expression value="contained.text.empty()"/>
            <xpath value="not(parent::f:contained and f:text)"/>
         </constraint>
         <constraint>
            <key value="dom-4"/>
            <severity value="error"/>
            <human value="If a resource is contained in another resource, it SHALL NOT have a meta.versionId or a meta.lastUpdated"/>
            <expression value="contained.meta.versionId.empty() and contained.meta.lastUpdated.empty()"/>
            <xpath value="not(exists(f:contained/*/f:meta/f:versionId)) and not(exists(f:contained/*/f:meta/f:lastUpdated))"/>
         </constraint>
         <constraint>
            <key value="dom-3"/>
            <severity value="error"/>
            <human value="If the resource is contained in another resource, it SHALL be referred to from elsewhere in the resource"/>
            <expression value="contained.where(('#'+id in %resource.descendants().reference).not()).empty()"/>
            <xpath value="not(exists(for $id in f:contained/*/@id return $id[not(ancestor::f:contained/parent::*/descendant::f:reference/@value=concat('#', $id))]))"/>
         </constraint>
         <mapping>
            <identity value="rim"/>
            <map value="Entity. Role, or Act"/>
         </mapping>
         <mapping>
            <identity value="workflow"/>
            <map value="Request"/>
         </mapping>
         <mapping>
            <identity value="v2"/>
            <map value="ORC"/>
         </mapping>
         <mapping>
            <identity value="rim"/>
            <map value="Act[moodCode<=INT]"/>
         </mapping>
         <mapping>
            <identity value="w5"/>
            <map value="clinical.general"/>
         </mapping>
      </element>
      <element id="ProcedureRequest.id">
         <path value="ProcedureRequest.id"/>
         <short value="Logical id of this artifact"/>
         <definition value="The logical id of the resource, as used in the URL for the resource. Once assigned, this value never changes."/>
         <comment value="The only time that a resource does not have an id is when it is being submitted to the server using a create operation."/>
         <min value="0"/>
         <max value="1"/>
         <base>
            <path value="Resource.id"/>
            <min value="0"/>
            <max value="1"/>
         </base>
         <type>
            <code value="id"/>
         </type>
         <condition value="ele-1"/>
         <constraint>
            <key value="ele-1"/>
            <severity value="error"/>
            <human value="All FHIR elements must have a @value or children"/>
            <expression value="hasValue() | (children().count() > id.count())"/>
            <xpath value="@value|f:*|h:div"/>
         </constraint>
         <isSummary value="true"/>
         <mapping>
            <identity value="rim"/>
            <map value="n/a"/>
         </mapping>
      </element>
      <element id="ProcedureRequest.meta">
         <path value="ProcedureRequest.meta"/>
         <short value="Metadata about the resource"/>
         <definition value="The metadata about the resource. This is content that is maintained by the infrastructure. Changes to the content may not always be associated with version changes to the resource."/>
         <min value="0"/>
         <max value="1"/>
         <base>
            <path value="Resource.meta"/>
            <min value="0"/>
            <max value="1"/>
         </base>
         <type>
            <code value="Meta"/>
         </type>
         <condition value="ele-1"/>
         <constraint>
            <key value="ele-1"/>
            <severity value="error"/>
            <human value="All FHIR elements must have a @value or children"/>
            <expression value="hasValue() | (children().count() > id.count())"/>
            <xpath value="@value|f:*|h:div"/>
         </constraint>
         <isSummary value="true"/>
         <mapping>
            <identity value="rim"/>
            <map value="n/a"/>
         </mapping>
         <mapping>
            <identity value="rim"/>
            <map value="N/A"/>
         </mapping>
      </element>
      <element id="ProcedureRequest.meta.id">
         <path value="ProcedureRequest.meta.id"/>
         <representation value="xmlAttr"/>
         <short value="xml:id (or equivalent in JSON)"/>
         <definition value="unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces."/>
         <comment value="Note that FHIR strings may not exceed 1MB in size"/>
         <min value="0"/>
         <max value="1"/>
         <base>
            <path value="Element.id"/>
            <min value="0"/>
            <max value="1"/>
         </base>
         <type>
            <code value="string"/>
         </type>
         <condition value="ele-1"/>
         <constraint>
            <key value="ele-1"/>
            <severity value="error"/>
            <human value="All FHIR elements must have a @value or children"/>
            <expression value="hasValue() | (children().count() > id.count())"/>
            <xpath value="@value|f:*|h:div"/>
         </constraint>
         <mapping>
            <identity value="rim"/>
            <map value="n/a"/>
         </mapping>
      </element>
      <element id="ProcedureRequest.meta.extension">
         <path value="ProcedureRequest.meta.extension"/>
         <slicing>
            <discriminator>
               <type value="value"/>
               <path value="url"/>
            </discriminator>
            <description value="Extensions are always sliced by (at least) url"/>
            <rules value="open"/>
         </slicing>
         <short value="Additional Content defined by implementations"/>
         <definition value="May be used to represent additional information that is not part of the basic definition of the element. In order to make the use of extensions safe and manageable, there is a strict set of governance  applied to the definition and use of extensions. Though any implementer is allowed to define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension."/>
         <comment value="There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone."/>
         <alias value="extensions"/>
         <alias value="user content"/>
         <min value="0"/>
         <max value="*"/>
         <base>
            <path value="Element.extension"/>
            <min value="0"/>
            <max value="*"/>
         </base>
         <type>
            <code value="Extension"/>
         </type>
         <condition value="ele-1"/>
         <constraint>
            <key value="ele-1"/>
            <severity value="error"/>
            <human value="All FHIR elements must have a @value or children"/>
            <expression value="hasValue() | (children().count() > id.count())"/>
            <xpath value="@value|f:*|h:div"/>
         </constraint>
         <constraint>
            <key value="ext-1"/>
            <severity value="error"/>
            <human value="Must have either extensions or value[x], not both"/>
            <expression value="extension.exists() != value.exists()"/>
            <xpath value="exists(f:extension)!=exists(f:*[starts-with(local-name(.), 'value')])"/>
         </constraint>
         <mapping>
            <identity value="rim"/>
            <map value="n/a"/>
         </mapping>
         <mapping>
            <identity value="rim"/>
            <map value="N/A"/>
         </mapping>
      </element>
      <element id="ProcedureRequest.meta.versionId">
         <path value="ProcedureRequest.meta.versionId"/>
         <short value="Version specific identifier"/>
         <definition value="The version specific identifier, as it appears in the version portion of the URL. This values changes when the resource is created, updated, or deleted."/>
         <comment value="The server assigns this value, and ignores what the client specifies, except in the case that the server is imposing version integrity on updates/deletes."/>
         <min value="0"/>
         <max value="1"/>
         <base>
            <path value="Meta.versionId"/>
            <min value="0"/>
            <max value="1"/>
         </base>
         <type>
            <code value="id"/>
         </type>
         <condition value="ele-1"/>
         <constraint>
            <key value="ele-1"/>
            <severity value="error"/>
            <human value="All FHIR elements must have a @value or children"/>
            <expression value="hasValue() | (children().count() > id.count())"/>
            <xpath value="@value|f:*|h:div"/>
         </constraint>
         <isSummary value="true"/>
         <mapping>
            <identity value="rim"/>
            <map value="n/a"/>
         </mapping>
      </element>
      <element id="ProcedureRequest.meta.lastUpdated">
         <path value="ProcedureRequest.meta.lastUpdated"/>
         <short value="When the resource version last changed"/>
         <definition value="When the resource last changed - e.g. when the version changed."/>
         <comment value="This value is always populated except when the resource is first being created. The server / resource manager sets this value; what a client provides is irrelevant."/>
         <min value="0"/>
         <max value="1"/>
         <base>
            <path value="Meta.lastUpdated"/>
            <min value="0"/>
            <max value="1"/>
         </base>
         <type>
            <code value="instant"/>
         </type>
         <condition value="ele-1"/>
         <constraint>
            <key value="ele-1"/>
            <severity value="error"/>
            <human value="All FHIR elements must have a @value or children"/>
            <expression value="hasValue() | (children().count() > id.count())"/>
            <xpath value="@value|f:*|h:div"/>
         </constraint>
         <isSummary value="true"/>
         <mapping>
            <identity value="rim"/>
            <map value="n/a"/>
         </mapping>
      </element>
      <element id="ProcedureRequest.meta.profile">
         <path value="ProcedureRequest.meta.profile"/>
         <short value="Profiles this resource claims to conform to"/>
         <definition value="A list of profiles (references to [StructureDefinition](structuredefinition.html#) resources) that this resource claims to conform to. The URL is a reference to [StructureDefinition.url]()."/>
         <comment value="It is up to the server and/or other infrastructure of policy to determine whether/how these claims are verified and/or updated over time.  The list of profile URLs is a set."/>
         <min value="1"/>
         <max value="*"/>
         <base>
            <path value="Meta.profile"/>
            <min value="0"/>
            <max value="*"/>
         </base>
         <type>
            <code value="uri"/>
         </type>
         <condition value="ele-1"/>
         <constraint>
            <key value="ele-1"/>
            <severity value="error"/>
            <human value="All FHIR elements must have a @value or children"/>
            <expression value="hasValue() | (children().count() > id.count())"/>
            <xpath value="@value|f:*|h:div"/>
         </constraint>
         <isSummary value="true"/>
         <mapping>
            <identity value="rim"/>
            <map value="n/a"/>
         </mapping>
      </element>
      <element id="ProcedureRequest.meta.security">
         <path value="ProcedureRequest.meta.security"/>
         <short value="Security Labels applied to this resource"/>
         <definition value="Security labels applied to this resource. These tags connect specific resources to the overall security policy and infrastructure."/>
         <comment value="The security labels can be updated without changing the stated version of the resource  The list of security labels is a set. Uniqueness is based the system/code, and version and display are ignored."/>
         <min value="0"/>
         <max value="*"/>
         <base>
            <path value="Meta.security"/>
            <min value="0"/>
            <max value="*"/>
         </base>
         <type>
            <code value="Coding"/>
         </type>
         <condition value="ele-1"/>
         <constraint>
            <key value="ele-1"/>
            <severity value="error"/>
            <human value="All FHIR elements must have a @value or children"/>
            <expression value="hasValue() | (children().count() > id.count())"/>
            <xpath value="@value|f:*|h:div"/>
         </constraint>
         <isSummary value="true"/>
         <binding>
            <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName">
               <valueString value="SecurityLabels"/>
            </extension>
            <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-isCommonBinding">
               <valueBoolean value="true"/>
            </extension>
            <strength value="extensible"/>
            <description value="Security Labels from the Healthcare Privacy and Security Classification System."/>
            <valueSetReference>
               <reference value="http://hl7.org/fhir/ValueSet/security-labels"/>
            </valueSetReference>
         </binding>
         <mapping>
            <identity value="rim"/>
            <map value="n/a"/>
         </mapping>
         <mapping>
            <identity value="v2"/>
            <map value="CE/CNE/CWE subset one of the sets of component 1-3 or 4-6"/>
         </mapping>
         <mapping>
            <identity value="rim"/>
            <map value="CV"/>
         </mapping>
         <mapping>
            <identity value="orim"/>
            <map value="fhir:Coding rdfs:subClassOf dt:CDCoding"/>
         </mapping>
      </element>
      <element id="ProcedureRequest.meta.tag">
         <path value="ProcedureRequest.meta.tag"/>
         <short value="Tags applied to this resource"/>
         <definition value="Tags applied to this resource. Tags are intended to be used to identify and relate resources to process and workflow, and applications are not required to consider the tags when interpreting the meaning of a resource."/>
         <comment value="The tags can be updated without changing the stated version of the resource.  The list of tags is a set. Uniqueness is based the system/code, and version and display are ignored."/>
         <min value="0"/>
         <max value="*"/>
         <base>
            <path value="Meta.tag"/>
            <min value="0"/>
            <max value="*"/>
         </base>
         <type>
            <code value="Coding"/>
         </type>
         <condition value="ele-1"/>
         <constraint>
            <key value="ele-1"/>
            <severity value="error"/>
            <human value="All FHIR elements must have a @value or children"/>
            <expression value="hasValue() | (children().count() > id.count())"/>
            <xpath value="@value|f:*|h:div"/>
         </constraint>
         <isSummary value="true"/>
         <binding>
            <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName">
               <valueString value="Tags"/>
            </extension>
            <strength value="example"/>
            <description value="Codes that represent various types of tags, commonly workflow-related; e.g. "Needs review by Dr. Jones""/>
            <valueSetReference>
               <reference value="http://hl7.org/fhir/ValueSet/common-tags"/>
            </valueSetReference>
         </binding>
         <mapping>
            <identity value="rim"/>
            <map value="n/a"/>
         </mapping>
         <mapping>
            <identity value="v2"/>
            <map value="CE/CNE/CWE subset one of the sets of component 1-3 or 4-6"/>
         </mapping>
         <mapping>
            <identity value="rim"/>
            <map value="CV"/>
         </mapping>
         <mapping>
            <identity value="orim"/>
            <map value="fhir:Coding rdfs:subClassOf dt:CDCoding"/>
         </mapping>
      </element>
      <element id="ProcedureRequest.implicitRules">
         <path value="ProcedureRequest.implicitRules"/>
         <short value="A set of rules under which this content was created"/>
         <definition value="A reference to a set of rules that were followed when the resource was constructed, and which must be understood when processing the content."/>
         <comment value="Asserting this rule set restricts the content to be only understood by a limited set of trading partners. This inherently limits the usefulness of the data in the long term. However, the existing health eco-system is highly fractured, and not yet ready to define, collect, and exchange data in a generally computable sense. Wherever possible, implementers and/or specification writers should avoid using this element.   This element is labelled as a modifier because the implicit rules may provide additional knowledge about the resource that modifies it's meaning or interpretation."/>
         <min value="0"/>
         <max value="1"/>
         <base>
            <path value="Resource.implicitRules"/>
            <min value="0"/>
            <max value="1"/>
         </base>
         <type>
            <code value="uri"/>
         </type>
         <condition value="ele-1"/>
         <constraint>
            <key value="ele-1"/>
            <severity value="error"/>
            <human value="All FHIR elements must have a @value or children"/>
            <expression value="hasValue() | (children().count() > id.count())"/>
            <xpath value="@value|f:*|h:div"/>
         </constraint>
         <isModifier value="true"/>
         <isSummary value="true"/>
         <mapping>
            <identity value="rim"/>
            <map value="n/a"/>
         </mapping>
      </element>
      <element id="ProcedureRequest.language">
         <path value="ProcedureRequest.language"/>
         <short value="Language of the resource content"/>
         <definition value="The base language in which the resource is written."/>
         <comment value="Language is provided to support indexing and accessibility (typically, services such as text to speech use the language tag). The html language tag in the narrative applies  to the narrative. The language tag on the resource may be used to specify the language of other presentations generated from the data in the resource  Not all the content has to be in the base language. The Resource.language should not be assumed to apply to the narrative automatically. If a language is specified, it should it also be specified on the div element in the html (see rules in HTML5 for information about the relationship between xml:lang and the html lang attribute)."/>
         <min value="0"/>
         <max value="1"/>
         <base>
            <path value="Resource.language"/>
            <min value="0"/>
            <max value="1"/>
         </base>
         <type>
            <code value="code"/>
         </type>
         <condition value="ele-1"/>
         <constraint>
            <key value="ele-1"/>
            <severity value="error"/>
            <human value="All FHIR elements must have a @value or children"/>
            <expression value="hasValue() | (children().count() > id.count())"/>
            <xpath value="@value|f:*|h:div"/>
         </constraint>
         <binding>
            <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-maxValueSet">
               <valueReference>
                  <reference value="http://hl7.org/fhir/ValueSet/all-languages"/>
               </valueReference>
            </extension>
            <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName">
               <valueString value="Language"/>
            </extension>
            <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-isCommonBinding">
               <valueBoolean value="true"/>
            </extension>
            <strength value="extensible"/>
            <description value="A human language."/>
            <valueSetReference>
               <reference value="http://hl7.org/fhir/ValueSet/languages"/>
            </valueSetReference>
         </binding>
         <mapping>
            <identity value="rim"/>
            <map value="n/a"/>
         </mapping>
      </element>
      <element id="ProcedureRequest.text">
         <path value="ProcedureRequest.text"/>
         <short value="Text summary of the resource, for human interpretation"/>
         <definition value="A human-readable narrative that contains a summary of the resource, and may be used to represent the content of the resource to a human. The narrative need not encode all the structured data, but is required to contain sufficient detail to make it "clinically safe" for a human to just read the narrative. Resource definitions may define what content should be represented in the narrative to ensure clinical safety."/>
         <comment value="Contained resources do not have narrative. Resources that are not contained SHOULD have a narrative. In some cases, a resource may only have text with little or no additional discrete data (as long as all minOccurs=1 elements are satisfied).  This may be necessary for data from legacy systems where information is captured as a "text blob" or where text is additionally entered raw or narrated and encoded in formation is added later."/>
         <alias value="narrative"/>
         <alias value="html"/>
         <alias value="xhtml"/>
         <alias value="display"/>
         <min value="0"/>
         <max value="1"/>
         <base>
            <path value="DomainResource.text"/>
            <min value="0"/>
            <max value="1"/>
         </base>
         <type>
            <code value="Narrative"/>
         </type>
         <condition value="ele-1"/>
         <condition value="dom-1"/>
         <constraint>
            <key value="ele-1"/>
            <severity value="error"/>
            <human value="All FHIR elements must have a @value or children"/>
            <expression value="hasValue() | (children().count() > id.count())"/>
            <xpath value="@value|f:*|h:div"/>
         </constraint>
         <mapping>
            <identity value="rim"/>
            <map value="n/a"/>
         </mapping>
         <mapping>
            <identity value="rim"/>
            <map value="N/A"/>
         </mapping>
         <mapping>
            <identity value="rim"/>
            <map value="Act.text?"/>
         </mapping>
      </element>
      <element id="ProcedureRequest.contained">
         <path value="ProcedureRequest.contained"/>
         <short value="Contained, inline Resources"/>
         <definition value="These resources do not have an independent existence apart from the resource that contains them - they cannot be identified independently, and nor can they have their own independent transaction scope."/>
         <comment value="This should never be done when the content can be identified properly, as once identification is lost, it is extremely difficult (and context dependent) to restore it again."/>
         <alias value="inline resources"/>
         <alias value="anonymous resources"/>
         <alias value="contained resources"/>
         <min value="0"/>
         <max value="*"/>
         <base>
            <path value="DomainResource.contained"/>
            <min value="0"/>
            <max value="*"/>
         </base>
         <type>
            <code value="Resource"/>
         </type>
         <mapping>
            <identity value="rim"/>
            <map value="Entity. Role, or Act"/>
         </mapping>
         <mapping>
            <identity value="rim"/>
            <map value="N/A"/>
         </mapping>
      </element>
      <element id="ProcedureRequest.extension">
         <path value="ProcedureRequest.extension"/>
         <slicing>
            <discriminator>
               <type value="value"/>
               <path value="url"/>
            </discriminator>
            <description value="Extensions are always sliced by (at least) url"/>
            <rules value="open"/>
         </slicing>
         <short value="Additional Content defined by implementations"/>
         <definition value="May be used to represent additional information that is not part of the basic definition of the resource. In order to make the use of extensions safe and manageable, there is a strict set of governance  applied to the definition and use of extensions. Though any implementer is allowed to define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension."/>
         <comment value="There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone."/>
         <alias value="extensions"/>
         <alias value="user content"/>
         <min value="0"/>
         <max value="*"/>
         <base>
            <path value="DomainResource.extension"/>
            <min value="0"/>
            <max value="*"/>
         </base>
         <type>
            <code value="Extension"/>
         </type>
         <condition value="ele-1"/>
         <constraint>
            <key value="ele-1"/>
            <severity value="error"/>
            <human value="All FHIR elements must have a @value or children"/>
            <expression value="hasValue() | (children().count() > id.count())"/>
            <xpath value="@value|f:*|h:div"/>
         </constraint>
         <constraint>
            <key value="ext-1"/>
            <severity value="error"/>
            <human value="Must have either extensions or value[x], not both"/>
            <expression value="extension.exists() != value.exists()"/>
            <xpath value="exists(f:extension)!=exists(f:*[starts-with(local-name(.), 'value')])"/>
         </constraint>
         <mapping>
            <identity value="rim"/>
            <map value="n/a"/>
         </mapping>
         <mapping>
            <identity value="rim"/>
            <map value="N/A"/>
         </mapping>
      </element>
      <element id="ProcedureRequest.modifierExtension">
         <path value="ProcedureRequest.modifierExtension"/>
         <slicing>
            <discriminator>
               <type value="value"/>
               <path value="url"/>
            </discriminator>
            <description value="Extensions are always sliced by (at least) url"/>
            <rules value="open"/>
         </slicing>
         <short value="Extensions that cannot be ignored"/>
         <definition value="May be used to represent additional information that is not part of the basic definition of the resource, and that modifies the understanding of the element that contains it. Usually modifier elements provide negation or qualification. In order to make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer is allowed to define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions."/>
         <comment value="There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone."/>
         <alias value="extensions"/>
         <alias value="user content"/>
         <min value="0"/>
         <max value="*"/>
         <base>
            <path value="DomainResource.modifierExtension"/>
            <min value="0"/>
            <max value="*"/>
         </base>
         <type>
            <code value="Extension"/>
         </type>
         <condition value="ele-1"/>
         <constraint>
            <key value="ele-1"/>
            <severity value="error"/>
            <human value="All FHIR elements must have a @value or children"/>
            <expression value="hasValue() | (children().count() > id.count())"/>
            <xpath value="@value|f:*|h:div"/>
         </constraint>
         <constraint>
            <key value="ext-1"/>
            <severity value="error"/>
            <human value="Must have either extensions or value[x], not both"/>
            <expression value="extension.exists() != value.exists()"/>
            <xpath value="exists(f:extension)!=exists(f:*[starts-with(local-name(.), 'value')])"/>
         </constraint>
         <isModifier value="true"/>
         <mapping>
            <identity value="rim"/>
            <map value="n/a"/>
         </mapping>
         <mapping>
            <identity value="rim"/>
            <map value="N/A"/>
         </mapping>
      </element>
      <element id="ProcedureRequest.identifier">
         <path value="ProcedureRequest.identifier"/>
         <short value="Identifiers assigned to this order"/>
         <definition value="Identifiers assigned to this order instance by the orderer and/or the receiver and/or order fulfiller."/>
         <comment value="The identifier.type element is used to distinguish between the identifiers assigned by the orderer (known as the 'Placer' in HL7 v2) and the producer of the observations in response to the order (known as the 'Filler' in HL7 v2).  For further discussion and examples see the resource notes section below."/>
         <min value="1"/>
         <max value="*"/>
         <base>
            <path value="ProcedureRequest.identifier"/>
            <min value="0"/>
            <max value="*"/>
         </base>
         <type>
            <code value="Identifier"/>
         </type>
         <condition value="ele-1"/>
         <constraint>
            <key value="ele-1"/>
            <severity value="error"/>
            <human value="All FHIR elements must have a @value or children"/>
            <expression value="hasValue() | (children().count() > id.count())"/>
            <xpath value="@value|f:*|h:div"/>
         </constraint>
         <isSummary value="true"/>
         <mapping>
            <identity value="rim"/>
            <map value="n/a"/>
         </mapping>
         <mapping>
            <identity value="v2"/>
            <map value="CX / EI (occasionally, more often EI maps to a resource id or a URL)"/>
         </mapping>
         <mapping>
            <identity value="rim"/>
            <map value="II - see see identifier pattern at http://wiki.hl7.org/index.php?title=Common_Design_Patterns#Identifier_Pattern for relevant discussion. The Identifier class is a little looser than the v3 type II because it allows URIs as well as registered OIDs or GUIDs.  Also maps to Role[classCode=IDENT]"/>
         </mapping>
         <mapping>
            <identity value="servd"/>
            <map value="Identifier"/>
         </mapping>
         <mapping>
            <identity value="workflow"/>
            <map value="Request.identifier"/>
         </mapping>
         <mapping>
            <identity value="v2"/>
            <map value="ORC.2, ORC.3"/>
         </mapping>
         <mapping>
            <identity value="rim"/>
            <map value=".identifier"/>
         </mapping>
         <mapping>
            <identity value="quick"/>
            <map value="ClinicalStatement.identifier"/>
         </mapping>
         <mapping>
            <identity value="w5"/>
            <map value="id"/>
         </mapping>
      </element>
      <element id="ProcedureRequest.identifier.id">
         <path value="ProcedureRequest.identifier.id"/>
         <representation value="xmlAttr"/>
         <short value="xml:id (or equivalent in JSON)"/>
         <definition value="unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces."/>
         <comment value="Note that FHIR strings may not exceed 1MB in size"/>
         <min value="0"/>
         <max value="1"/>
         <base>
            <path value="Element.id"/>
            <min value="0"/>
            <max value="1"/>
         </base>
         <type>
            <code value="string"/>
         </type>
         <condition value="ele-1"/>
         <constraint>
            <key value="ele-1"/>
            <severity value="error"/>
            <human value="All FHIR elements must have a @value or children"/>
            <expression value="hasValue() | (children().count() > id.count())"/>
            <xpath value="@value|f:*|h:div"/>
         </constraint>
         <mapping>
            <identity value="rim"/>
            <map value="n/a"/>
         </mapping>
      </element>
      <element id="ProcedureRequest.identifier.extension">
         <path value="ProcedureRequest.identifier.extension"/>
         <slicing>
            <discriminator>
               <type value="value"/>
               <path value="url"/>
            </discriminator>
            <description value="Extensions are always sliced by (at least) url"/>
            <rules value="open"/>
         </slicing>
         <short value="Additional Content defined by implementations"/>
         <definition value="May be used to represent additional information that is not part of the basic definition of the element. In order to make the use of extensions safe and manageable, there is a strict set of governance  applied to the definition and use of extensions. Though any implementer is allowed to define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension."/>
         <comment value="There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone."/>
         <alias value="extensions"/>
         <alias value="user content"/>
         <min value="0"/>
         <max value="*"/>
         <base>
            <path value="Element.extension"/>
            <min value="0"/>
            <max value="*"/>
         </base>
         <type>
            <code value="Extension"/>
         </type>
         <condition value="ele-1"/>
         <constraint>
            <key value="ele-1"/>
            <severity value="error"/>
            <human value="All FHIR elements must have a @value or children"/>
            <expression value="hasValue() | (children().count() > id.count())"/>
            <xpath value="@value|f:*|h:div"/>
         </constraint>
         <constraint>
            <key value="ext-1"/>
            <severity value="error"/>
            <human value="Must have either extensions or value[x], not both"/>
            <expression value="extension.exists() != value.exists()"/>
            <xpath value="exists(f:extension)!=exists(f:*[starts-with(local-name(.), 'value')])"/>
         </constraint>
         <mapping>
            <identity value="rim"/>
            <map value="n/a"/>
         </mapping>
         <mapping>
            <identity value="rim"/>
            <map value="N/A"/>
         </mapping>
      </element>
      <element id="ProcedureRequest.identifier.use">
         <path value="ProcedureRequest.identifier.use"/>
         <short value="usual | official | temp | secondary (If known)"/>
         <definition value="The purpose of this identifier."/>
         <comment value="This is labeled as "Is Modifier" because applications should not mistake a temporary id for a permanent one. Applications can assume that an identifier is permanent unless it explicitly says that it is temporary."/>
         <requirements value="Allows the appropriate identifier for a particular context of use to be selected from among a set of identifiers."/>
         <min value="0"/>
         <max value="1"/>
         <base>
            <path value="Identifier.use"/>
            <min value="0"/>
            <max value="1"/>
         </base>
         <type>
            <code value="code"/>
         </type>
         <condition value="ele-1"/>
         <constraint>
            <key value="ele-1"/>
            <severity value="error"/>
            <human value="All FHIR elements must have a @value or children"/>
            <expression value="hasValue() | (children().count() > id.count())"/>
            <xpath value="@value|f:*|h:div"/>
         </constraint>
         <isModifier value="true"/>
         <isSummary value="true"/>
         <binding>
            <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName">
               <valueString value="IdentifierUse"/>
            </extension>
            <strength value="required"/>
            <description value="Identifies the purpose for this identifier, if known ."/>
            <valueSetReference>
               <reference value="http://hl7.org/fhir/ValueSet/identifier-use"/>
            </valueSetReference>
         </binding>
         <mapping>
            <identity value="rim"/>
            <map value="n/a"/>
         </mapping>
         <mapping>
            <identity value="v2"/>
            <map value="N/A"/>
         </mapping>
         <mapping>
            <identity value="rim"/>
            <map value="Role.code or implied by context"/>
         </mapping>
      </element>
      <element id="ProcedureRequest.identifier.type">
         <path value="ProcedureRequest.identifier.type"/>
         <short value="Description of identifier"/>
         <definition value="A coded type for the identifier that can be used to determine which identifier to use for a specific purpose."/>
         <comment value="This element deals only with general categories of identifiers.  It SHOULD not be used for codes that correspond 1..1 with the Identifier.system. Some identifiers may fall into multiple categories due to common usage.   Where the system is known, a type is unnecessary because the type is always part of the system definition. However systems often need to handle identifiers where the system is not known. There is not a 1:1 relationship between type and system, since many different systems have the same type."/>
         <requirements value="Allows users to make use of identifiers when the identifier system is not known."/>
         <min value="0"/>
         <max value="1"/>
         <base>
            <path value="Identifier.type"/>
            <min value="0"/>
            <max value="1"/>
         </base>
         <type>
            <code value="CodeableConcept"/>
         </type>
         <condition value="ele-1"/>
         <constraint>
            <key value="ele-1"/>
            <severity value="error"/>
            <human value="All FHIR elements must have a @value or children"/>
            <expression value="hasValue() | (children().count() > id.count())"/>
            <xpath value="@value|f:*|h:div"/>
         </constraint>
         <isSummary value="true"/>
         <binding>
            <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName">
               <valueString value="IdentifierType"/>
            </extension>
            <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-isCommonBinding">
               <valueBoolean value="true"/>
            </extension>
            <strength value="extensible"/>
            <description value="A coded type for an identifier that can be used to determine which identifier to use for a specific purpose."/>
            <valueSetReference>
               <reference value="http://hl7.org/fhir/ValueSet/identifier-type"/>
            </valueSetReference>
         </binding>
         <mapping>
            <identity value="rim"/>
            <map value="n/a"/>
         </mapping>
         <mapping>
            <identity value="v2"/>
            <map value="CE/CNE/CWE"/>
         </mapping>
         <mapping>
            <identity value="rim"/>
            <map value="CD"/>
         </mapping>
         <mapping>
            <identity value="orim"/>
            <map value="fhir:CodeableConcept rdfs:subClassOf dt:CD"/>
         </mapping>
         <mapping>
            <identity value="v2"/>
            <map value="CX.5"/>
         </mapping>
         <mapping>
            <identity value="rim"/>
            <map value="Role.code or implied by context"/>
         </mapping>
      </element>
      <element id="ProcedureRequest.identifier.system">
         <path value="ProcedureRequest.identifier.system"/>
         <short value="The namespace for the identifier value"/>
         <definition value="Establishes the namespace for the value - that is, a URL that describes a set values that are unique."/>
         <comment value="see http://en.wikipedia.org/wiki/Uniform_resource_identifier"/>
         <requirements value="There are many sets  of identifiers.  To perform matching of two identifiers, we need to know what set we're dealing with. The system identifies a particular set of unique identifiers."/>
         <min value="1"/>
         <max value="1"/>
         <base>
            <path value="Identifier.system"/>
            <min value="0"/>
            <max value="1"/>
         </base>
         <type>
            <code value="uri"/>
         </type>
         <example>
            <label value="General"/>
            <valueUri value="http://www.acme.com/identifiers/patient or urn:ietf:rfc:3986 if the Identifier.value itself is a full uri"/>
         </example>
         <condition value="ele-1"/>
         <constraint>
            <key value="ele-1"/>
            <severity value="error"/>
            <human value="All FHIR elements must have a @value or children"/>
            <expression value="hasValue() | (children().count() > id.count())"/>
            <xpath value="@value|f:*|h:div"/>
         </constraint>
         <isSummary value="true"/>
         <mapping>
            <identity value="rim"/>
            <map value="n/a"/>
         </mapping>
         <mapping>
            <identity value="v2"/>
            <map value="CX.4 / EI-2-4"/>
         </mapping>
         <mapping>
            <identity value="rim"/>
            <map value="II.root or Role.id.root"/>
         </mapping>
         <mapping>
            <identity value="servd"/>
            <map value="./IdentifierType"/>
         </mapping>
      </element>
      <element id="ProcedureRequest.identifier.value">
         <path value="ProcedureRequest.identifier.value"/>
         <short value="The value that is unique"/>
         <definition value="The portion of the identifier typically relevant to the user and which is unique within the context of the system."/>
         <comment value="If the value is a full URI, then the system SHALL be urn:ietf:rfc:3986.  The value's primary purpose is computational mapping.  As a result, it may be normalized for comparison purposes (e.g. removing non-significant whitespace, dashes, etc.)  A value formatted for human display can be conveyed using the [Rendered Value extension](extension-rendered-value.html)."/>
         <min value="1"/>
         <max value="1"/>
         <base>
            <path value="Identifier.value"/>
            <min value="0"/>
            <max value="1"/>
         </base>
         <type>
            <code value="string"/>
         </type>
         <example>
            <label value="General"/>
            <valueString value="123456"/>
         </example>
         <condition value="ele-1"/>
         <constraint>
            <key value="ele-1"/>
            <severity value="error"/>
            <human value="All FHIR elements must have a @value or children"/>
            <expression value="hasValue() | (children().count() > id.count())"/>
            <xpath value="@value|f:*|h:div"/>
         </constraint>
         <isSummary value="true"/>
         <mapping>
            <identity value="rim"/>
            <map value="n/a"/>
         </mapping>
         <mapping>
            <identity value="v2"/>
            <map value="CX.1 / EI.1"/>
         </mapping>
         <mapping>
            <identity value="rim"/>
            <map value="II.extension or II.root if system indicates OID or GUID (Or Role.id.extension or root)"/>
         </mapping>
         <mapping>
            <identity value="servd"/>
            <map value="./Value"/>
         </mapping>
      </element>
      <element id="ProcedureRequest.identifier.period">
         <path value="ProcedureRequest.identifier.period"/>
         <short value="Time period when id is/was valid for use"/>
         <definition value="Time period during which identifier is/was valid for use."/>
         <comment value="This is not a duration - that's a measure of time (a separate type), but a duration that occurs at a fixed value of time. A Period specifies a range of time; the context of use will specify whether the entire range applies (e.g. "the patient was an inpatient of the hospital for this time range") or one value from the range applies (e.g. "give to the patient between these two times"). If duration is required, specify the type as Interval|Duration."/>
         <min value="0"/>
         <max value="1"/>
         <base>
            <path value="Identifier.period"/>
            <min value="0"/>
            <max value="1"/>
         </base>
         <type>
            <code value="Period"/>
         </type>
         <condition value="ele-1"/>
         <constraint>
            <key value="ele-1"/>
            <severity value="error"/>
            <human value="All FHIR elements must have a @value or children"/>
            <expression value="hasValue() | (children().count() > id.count())"/>
            <xpath value="@value|f:*|h:div"/>
         </constraint>
         <constraint>
            <key value="per-1"/>
            <severity value="error"/>
            <human value="If present, start SHALL have a lower value than end"/>
            <expression value="start.empty() or end.empty() or (start <= end)"/>
            <xpath value="not(exists(f:start)) or not(exists(f:end)) or (f:start/@value <= f:end/@value)"/>
         </constraint>
         <isSummary value="true"/>
         <mapping>
            <identity value="rim"/>
            <map value="n/a"/>
         </mapping>
         <mapping>
            <identity value="v2"/>
            <map value="DR"/>
         </mapping>
         <mapping>
            <identity value="rim"/>
            <map value="IVL<TS>[lowClosed="true" and highClosed="true"] or URG<TS>[lowClosed="true" and highClosed="true"]"/>
         </mapping>
         <mapping>
            <identity value="v2"/>
            <map value="CX.7 + CX.8"/>
         </mapping>
         <mapping>
            <identity value="rim"/>
            <map value="Role.effectiveTime or implied by context"/>
         </mapping>
         <mapping>
            <identity value="servd"/>
            <map value="./StartDate and ./EndDate"/>
         </mapping>
      </element>
      <element id="ProcedureRequest.identifier.assigner">
         <path value="ProcedureRequest.identifier.assigner"/>
         <short value="Organization that issued id (may be just text)"/>
         <definition value="Organization that issued/manages the identifier."/>
         <comment value="The Identifier.assigner may omit the .reference element and only contain a .display element reflecting the name or other textual information about the assigning organization."/>
         <min value="0"/>
         <max value="1"/>
         <base>
            <path value="Identifier.assigner"/>
            <min value="0"/>
            <max value="1"/>
         </base>
         <type>
            <code value="Reference"/>
            <targetProfile value="http://hl7.org/fhir/StructureDefinition/Organization"/>
         </type>
         <condition value="ele-1"/>
         <constraint>
            <key value="ele-1"/>
            <severity value="error"/>
            <human value="All FHIR elements must have a @value or children"/>
            <expression value="hasValue() | (children().count() > id.count())"/>
            <xpath value="@value|f:*|h:div"/>
         </constraint>
         <constraint>
            <key value="ref-1"/>
            <severity value="error"/>
            <human value="SHALL have a contained resource if a local reference is provided"/>
            <expression value="reference.startsWith('#').not() or (reference.substring(1).trace('url') in %resource.contained.id.trace('ids'))"/>
            <xpath value="not(starts-with(f:reference/@value, '#')) or exists(ancestor::*[self::f:entry or self::f:parameter]/f:resource/f:*/f:contained/f:*[f:id/@value=substring-after(current()/f:reference/@value, '#')]|/*/f:contained/f:*[f:id/@value=substring-after(current()/f:reference/@value, '#')])"/>
         </constraint>
         <isSummary value="true"/>
         <mapping>
            <identity value="rim"/>
            <map value="n/a"/>
         </mapping>
         <mapping>
            <identity value="rim"/>
            <map value="The target of a resource reference is a RIM entry point (Act, Role, or Entity)"/>
         </mapping>
         <mapping>
            <identity value="v2"/>
            <map value="CX.4 / (CX.4,CX.9,CX.10)"/>
         </mapping>
         <mapping>
            <identity value="rim"/>
            <map value="II.assigningAuthorityName but note that this is an improper use by the definition of the field.  Also Role.scoper"/>
         </mapping>
         <mapping>
            <identity value="servd"/>
            <map value="./IdentifierIssuingAuthority"/>
         </mapping>
      </element>
      <element id="ProcedureRequest.definition">
         <path value="ProcedureRequest.definition"/>
         <short value="Protocol or definition"/>
         <definition value="Protocol or definition followed by this request."/>
         <comment value="References SHALL be a reference to an actual FHIR resource, and SHALL be resolveable (allowing for access control, temporary unavailability, etc). Resolution can be either by retrieval from the URL, or, where applicable by resource type, by treating an absolute reference as a canonical URL and looking it up in a local registry/repository."/>
         <alias value="protocol"/>
         <min value="0"/>
         <max value="*"/>
         <base>
            <path value="ProcedureRequest.definition"/>
            <min value="0"/>
            <max value="*"/>
         </base>
         <type>
            <code value="Reference"/>
            <targetProfile value="http://hl7.org/fhir/StructureDefinition/ActivityDefinition"/>
         </type>
         <type>
            <code value="Reference"/>
            <targetProfile value="http://hl7.org/fhir/StructureDefinition/PlanDefinition"/>
         </type>
         <condition value="ele-1"/>
         <constraint>
            <key value="ele-1"/>
            <severity value="error"/>
            <human value="All FHIR elements must have a @value or children"/>
            <expression value="hasValue() | (children().count() > id.count())"/>
            <xpath value="@value|f:*|h:div"/>
         </constraint>
         <constraint>
            <key value="ref-1"/>
            <severity value="error"/>
            <human value="SHALL have a contained resource if a local reference is provided"/>
            <expression value="reference.startsWith('#').not() or (reference.substring(1).trace('url') in %resource.contained.id.trace('ids'))"/>
            <xpath value="not(starts-with(f:reference/@value, '#')) or exists(ancestor::*[self::f:entry or self::f:parameter]/f:resource/f:*/f:contained/f:*[f:id/@value=substring-after(current()/f:reference/@value, '#')]|/*/f:contained/f:*[f:id/@value=substring-after(current()/f:reference/@value, '#')])"/>
         </constraint>
         <isSummary value="true"/>
         <mapping>
            <identity value="rim"/>
            <map value="n/a"/>
         </mapping>
         <mapping>
            <identity value="rim"/>
            <map value="The target of a resource reference is a RIM entry point (Act, Role, or Entity)"/>
         </mapping>
         <mapping>
            <identity value="workflow"/>
            <map value="Request.definition"/>
         </mapping>
         <mapping>
            <identity value="v2"/>
            <map value="Varies by domain"/>
         </mapping>
         <mapping>
            <identity value="rim"/>
            <map value=".outboundRelationship[typeCode=DEFN].target"/>
         </mapping>
      </element>
      <element id="ProcedureRequest.basedOn">
         <path value="ProcedureRequest.basedOn"/>
         <short value="What request fulfills"/>
         <definition value="Plan/proposal/order fulfilled by this request."/>
         <comment value="References SHALL be a reference to an actual FHIR resource, and SHALL be resolveable (allowing for access control, temporary unavailability, etc). Resolution can be either by retrieval from the URL, or, where applicable by resource type, by treating an absolute reference as a canonical URL and looking it up in a local registry/repository."/>
         <alias value="fulfills"/>
         <min value="0"/>
         <max value="*"/>
         <base>
            <path value="ProcedureRequest.basedOn"/>
            <min value="0"/>
            <max value="*"/>
         </base>
         <type>
            <code value="Reference"/>
            <targetProfile value="http://hl7.org/fhir/StructureDefinition/Resource"/>
         </type>
         <condition value="ele-1"/>
         <constraint>
            <key value="ele-1"/>
            <severity value="error"/>
            <human value="All FHIR elements must have a @value or children"/>
            <expression value="hasValue() | (children().count() > id.count())"/>
            <xpath value="@value|f:*|h:div"/>
         </constraint>
         <constraint>
            <key value="ref-1"/>
            <severity value="error"/>
            <human value="SHALL have a contained resource if a local reference is provided"/>
            <expression value="reference.startsWith('#').not() or (reference.substring(1).trace('url') in %resource.contained.id.trace('ids'))"/>
            <xpath value="not(starts-with(f:reference/@value, '#')) or exists(ancestor::*[self::f:entry or self::f:parameter]/f:resource/f:*/f:contained/f:*[f:id/@value=substring-after(current()/f:reference/@value, '#')]|/*/f:contained/f:*[f:id/@value=substring-after(current()/f:reference/@value, '#')])"/>
         </constraint>
         <isSummary value="true"/>
         <mapping>
            <identity value="rim"/>
            <map value="n/a"/>
         </mapping>
         <mapping>
            <identity value="rim"/>
            <map value="The target of a resource reference is a RIM entry point (Act, Role, or Entity)"/>
         </mapping>
         <mapping>
            <identity value="workflow"/>
            <map value="Request.basedOn"/>
         </mapping>
         <mapping>
            <identity value="v2"/>
            <map value="ORC.8 (plus others)"/>
         </mapping>
         <mapping>
            <identity value="rim"/>
            <map value=".outboundRelationship[typeCode=FLFS].target"/>
         </mapping>
      </element>
      <element id="ProcedureRequest.replaces">
         <path value="ProcedureRequest.replaces"/>
         <short value="What request replaces"/>
         <definition value="The request takes the place of the referenced completed or terminated request(s)."/>
         <comment value="References SHALL be a reference to an actual FHIR resource, and SHALL be resolveable (allowing for access control, temporary unavailability, etc). Resolution can be either by retrieval from the URL, or, where applicable by resource type, by treating an absolute reference as a canonical URL and looking it up in a local registry/repository."/>
         <min value="0"/>
         <max value="*"/>
         <base>
            <path value="ProcedureRequest.replaces"/>
            <min value="0"/>
            <max value="*"/>
         </base>
         <type>
            <code value="Reference"/>
            <targetProfile value="http://hl7.org/fhir/StructureDefinition/Resource"/>
         </type>
         <condition value="ele-1"/>
         <constraint>
            <key value="ele-1"/>
            <severity value="error"/>
            <human value="All FHIR elements must have a @value or children"/>
            <expression value="hasValue() | (children().count() > id.count())"/>
            <xpath value="@value|f:*|h:div"/>
         </constraint>
         <constraint>
            <key value="ref-1"/>
            <severity value="error"/>
            <human value="SHALL have a contained resource if a local reference is provided"/>
            <expression value="reference.startsWith('#').not() or (reference.substring(1).trace('url') in %resource.contained.id.trace('ids'))"/>
            <xpath value="not(starts-with(f:reference/@value, '#')) or exists(ancestor::*[self::f:entry or self::f:parameter]/f:resource/f:*/f:contained/f:*[f:id/@value=substring-after(current()/f:reference/@value, '#')]|/*/f:contained/f:*[f:id/@value=substring-after(current()/f:reference/@value, '#')])"/>
         </constraint>
         <isSummary value="true"/>
         <mapping>
            <identity value="rim"/>
            <map value="n/a"/>
         </mapping>
         <mapping>
            <identity value="rim"/>
            <map value="The target of a resource reference is a RIM entry point (Act, Role, or Entity)"/>
         </mapping>
         <mapping>
            <identity value="workflow"/>
            <map value="Request.replaces"/>
         </mapping>
         <mapping>
            <identity value="v2"/>
            <map value="Handled by message location of ORC (ORC.1=RO or RU)"/>
         </mapping>
         <mapping>
            <identity value="rim"/>
            <map value=".outboundRelationship[typeCode=RPLC].target"/>
         </mapping>
      </element>
      <element id="ProcedureRequest.requisition">
         <path value="ProcedureRequest.requisition"/>
         <short value="Composite Request ID"/>
         <definition value="A shared identifier common to all procedure or diagnostic requests that were authorized more or less simultaneously by a single author, representing the composite or group identifier."/>
         <comment value="Requests are linked either by a "basedOn" relationship (i.e. one request is fulfilling another) or by having a common requisition. Requests that are part of the same requisition are generally treated independently from the perspective of changing their state or maintaining them after initial creation."/>
         <requirements value="Some business processes need to know if multiple items were ordered as part of the same "requisition" for billing or other purposes."/>
         <alias value="grouperId"/>
         <alias value="groupIdentifier"/>
         <min value="0"/>
         <max value="1"/>
         <base>
            <path value="ProcedureRequest.requisition"/>
            <min value="0"/>
            <max value="1"/>
         </base>
         <type>
            <code value="Identifier"/>
         </type>
         <condition value="ele-1"/>
         <constraint>
            <key value="ele-1"/>
            <severity value="error"/>
            <human value="All FHIR elements must have a @value or children"/>
            <expression value="hasValue() | (children().count() > id.count())"/>
            <xpath value="@value|f:*|h:div"/>
         </constraint>
         <isSummary value="true"/>
         <mapping>
            <identity value="rim"/>
            <map value="n/a"/>
         </mapping>
         <mapping>
            <identity value="v2"/>
            <map value="CX / EI (occasionally, more often EI maps to a resource id or a URL)"/>
         </mapping>
         <mapping>
            <identity value="rim"/>
            <map value="II - see see identifier pattern at http://wiki.hl7.org/index.php?title=Common_Design_Patterns#Identifier_Pattern for relevant discussion. The Identifier class is a little looser than the v3 type II because it allows URIs as well as registered OIDs or GUIDs.  Also maps to Role[classCode=IDENT]"/>
         </mapping>
         <mapping>
            <identity value="servd"/>
            <map value="Identifier"/>
         </mapping>
         <mapping>
            <identity value="v2"/>
            <map value="ORC.4"/>
         </mapping>
         <mapping>
            <identity value="rim"/>
            <map value=".inboundRelationship(typeCode=COMP].source[moodCode=INT].identifier"/>
         </mapping>
      </element>
      <element id="ProcedureRequest.requisition.id">
         <path value="ProcedureRequest.requisition.id"/>
         <representation value="xmlAttr"/>
         <short value="xml:id (or equivalent in JSON)"/>
         <definition value="unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces."/>
         <comment value="Note that FHIR strings may not exceed 1MB in size"/>
         <min value="0"/>
         <max value="1"/>
         <base>
            <path value="Element.id"/>
            <min value="0"/>
            <max value="1"/>
         </base>
         <type>
            <code value="string"/>
         </type>
         <condition value="ele-1"/>
         <constraint>
            <key value="ele-1"/>
            <severity value="error"/>
            <human value="All FHIR elements must have a @value or children"/>
            <expression value="hasValue() | (children().count() > id.count())"/>
            <xpath value="@value|f:*|h:div"/>
         </constraint>
         <mapping>
            <identity value="rim"/>
            <map value="n/a"/>
         </mapping>
      </element>
      <element id="ProcedureRequest.requisition.extension">
         <path value="ProcedureRequest.requisition.extension"/>
         <slicing>
            <discriminator>
               <type value="value"/>
               <path value="url"/>
            </discriminator>
            <description value="Extensions are always sliced by (at least) url"/>
            <rules value="open"/>
         </slicing>
         <short value="Additional Content defined by implementations"/>
         <definition value="May be used to represent additional information that is not part of the basic definition of the element. In order to make the use of extensions safe and manageable, there is a strict set of governance  applied to the definition and use of extensions. Though any implementer is allowed to define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension."/>
         <comment value="There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone."/>
         <alias value="extensions"/>
         <alias value="user content"/>
         <min value="0"/>
         <max value="*"/>
         <base>
            <path value="Element.extension"/>
            <min value="0"/>
            <max value="*"/>
         </base>
         <type>
            <code value="Extension"/>
         </type>
         <condition value="ele-1"/>
         <constraint>
            <key value="ele-1"/>
            <severity value="error"/>
            <human value="All FHIR elements must have a @value or children"/>
            <expression value="hasValue() | (children().count() > id.count())"/>
            <xpath value="@value|f:*|h:div"/>
         </constraint>
         <constraint>
            <key value="ext-1"/>
            <severity value="error"/>
            <human value="Must have either extensions or value[x], not both"/>
            <expression value="extension.exists() != value.exists()"/>
            <xpath value="exists(f:extension)!=exists(f:*[starts-with(local-name(.), 'value')])"/>
         </constraint>
         <mapping>
            <identity value="rim"/>
            <map value="n/a"/>
         </mapping>
         <mapping>
            <identity value="rim"/>
            <map value="N/A"/>
         </mapping>
      </element>
      <element id="ProcedureRequest.requisition.use">
         <path value="ProcedureRequest.requisition.use"/>
         <short value="usual | official | temp | secondary (If known)"/>
         <definition value="The purpose of this identifier."/>
         <comment value="This is labeled as "Is Modifier" because applications should not mistake a temporary id for a permanent one. Applications can assume that an identifier is permanent unless it explicitly says that it is temporary."/>
         <requirements value="Allows the appropriate identifier for a particular context of use to be selected from among a set of identifiers."/>
         <min value="0"/>
         <max value="1"/>
         <base>
            <path value="Identifier.use"/>
            <min value="0"/>
            <max value="1"/>
         </base>
         <type>
            <code value="code"/>
         </type>
         <condition value="ele-1"/>
         <constraint>
            <key value="ele-1"/>
            <severity value="error"/>
            <human value="All FHIR elements must have a @value or children"/>
            <expression value="hasValue() | (children().count() > id.count())"/>
            <xpath value="@value|f:*|h:div"/>
         </constraint>
         <isModifier value="true"/>
         <isSummary value="true"/>
         <binding>
            <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName">
               <valueString value="IdentifierUse"/>
            </extension>
            <strength value="required"/>
            <description value="Identifies the purpose for this identifier, if known ."/>
            <valueSetReference>
               <reference value="http://hl7.org/fhir/ValueSet/identifier-use"/>
            </valueSetReference>
         </binding>
         <mapping>
            <identity value="rim"/>
            <map value="n/a"/>
         </mapping>
         <mapping>
            <identity value="v2"/>
            <map value="N/A"/>
         </mapping>
         <mapping>
            <identity value="rim"/>
            <map value="Role.code or implied by context"/>
         </mapping>
      </element>
      <element id="ProcedureRequest.requisition.type">
         <path value="ProcedureRequest.requisition.type"/>
         <short value="Description of identifier"/>
         <definition value="A coded type for the identifier that can be used to determine which identifier to use for a specific purpose."/>
         <comment value="This element deals only with general categories of identifiers.  It SHOULD not be used for codes that correspond 1..1 with the Identifier.system. Some identifiers may fall into multiple categories due to common usage.   Where the system is known, a type is unnecessary because the type is always part of the system definition. However systems often need to handle identifiers where the system is not known. There is not a 1:1 relationship between type and system, since many different systems have the same type."/>
         <requirements value="Allows users to make use of identifiers when the identifier system is not known."/>
         <min value="0"/>
         <max value="1"/>
         <base>
            <path value="Identifier.type"/>
            <min value="0"/>
            <max value="1"/>
         </base>
         <type>
            <code value="CodeableConcept"/>
         </type>
         <condition value="ele-1"/>
         <constraint>
            <key value="ele-1"/>
            <severity value="error"/>
            <human value="All FHIR elements must have a @value or children"/>
            <expression value="hasValue() | (children().count() > id.count())"/>
            <xpath value="@value|f:*|h:div"/>
         </constraint>
         <isSummary value="true"/>
         <binding>
            <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName">
               <valueString value="IdentifierType"/>
            </extension>
            <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-isCommonBinding">
               <valueBoolean value="true"/>
            </extension>
            <strength value="extensible"/>
            <description value="A coded type for an identifier that can be used to determine which identifier to use for a specific purpose."/>
            <valueSetReference>
               <reference value="http://hl7.org/fhir/ValueSet/identifier-type"/>
            </valueSetReference>
         </binding>
         <mapping>
            <identity value="rim"/>
            <map value="n/a"/>
         </mapping>
         <mapping>
            <identity value="v2"/>
            <map value="CE/CNE/CWE"/>
         </mapping>
         <mapping>
            <identity value="rim"/>
            <map value="CD"/>
         </mapping>
         <mapping>
            <identity value="orim"/>
            <map value="fhir:CodeableConcept rdfs:subClassOf dt:CD"/>
         </mapping>
         <mapping>
            <identity value="v2"/>
            <map value="CX.5"/>
         </mapping>
         <mapping>
            <identity value="rim"/>
            <map value="Role.code or implied by context"/>
         </mapping>
      </element>
      <element id="ProcedureRequest.requisition.system">
         <path value="ProcedureRequest.requisition.system"/>
         <short value="The namespace for the identifier value"/>
         <definition value="Establishes the namespace for the value - that is, a URL that describes a set values that are unique."/>
         <comment value="see http://en.wikipedia.org/wiki/Uniform_resource_identifier"/>
         <requirements value="There are many sets  of identifiers.  To perform matching of two identifiers, we need to know what set we're dealing with. The system identifies a particular set of unique identifiers."/>
         <min value="0"/>
         <max value="1"/>
         <base>
            <path value="Identifier.system"/>
            <min value="0"/>
            <max value="1"/>
         </base>
         <type>
            <code value="uri"/>
         </type>
         <example>
            <label value="General"/>
            <valueUri value="http://www.acme.com/identifiers/patient or urn:ietf:rfc:3986 if the Identifier.value itself is a full uri"/>
         </example>
         <condition value="ele-1"/>
         <constraint>
            <key value="ele-1"/>
            <severity value="error"/>
            <human value="All FHIR elements must have a @value or children"/>
            <expression value="hasValue() | (children().count() > id.count())"/>
            <xpath value="@value|f:*|h:div"/>
         </constraint>
         <isSummary value="true"/>
         <mapping>
            <identity value="rim"/>
            <map value="n/a"/>
         </mapping>
         <mapping>
            <identity value="v2"/>
            <map value="CX.4 / EI-2-4"/>
         </mapping>
         <mapping>
            <identity value="rim"/>
            <map value="II.root or Role.id.root"/>
         </mapping>
         <mapping>
            <identity value="servd"/>
            <map value="./IdentifierType"/>
         </mapping>
      </element>
      <element id="ProcedureRequest.requisition.value">
         <path value="ProcedureRequest.requisition.value"/>
         <short value="The value that is unique"/>
         <definition value="The portion of the identifier typically relevant to the user and which is unique within the context of the system."/>
         <comment value="If the value is a full URI, then the system SHALL be urn:ietf:rfc:3986.  The value's primary purpose is computational mapping.  As a result, it may be normalized for comparison purposes (e.g. removing non-significant whitespace, dashes, etc.)  A value formatted for human display can be conveyed using the [Rendered Value extension](extension-rendered-value.html)."/>
         <min value="0"/>
         <max value="1"/>
         <base>
            <path value="Identifier.value"/>
            <min value="0"/>
            <max value="1"/>
         </base>
         <type>
            <code value="string"/>
         </type>
         <example>
            <label value="General"/>
            <valueString value="123456"/>
         </example>
         <condition value="ele-1"/>
         <constraint>
            <key value="ele-1"/>
            <severity value="error"/>
            <human value="All FHIR elements must have a @value or children"/>
            <expression value="hasValue() | (children().count() > id.count())"/>
            <xpath value="@value|f:*|h:div"/>
         </constraint>
         <isSummary value="true"/>
         <mapping>
            <identity value="rim"/>
            <map value="n/a"/>
         </mapping>
         <mapping>
            <identity value="v2"/>
            <map value="CX.1 / EI.1"/>
         </mapping>
         <mapping>
            <identity value="rim"/>
            <map value="II.extension or II.root if system indicates OID or GUID (Or Role.id.extension or root)"/>
         </mapping>
         <mapping>
            <identity value="servd"/>
            <map value="./Value"/>
         </mapping>
      </element>
      <element id="ProcedureRequest.requisition.period">
         <path value="ProcedureRequest.requisition.period"/>
         <short value="Time period when id is/was valid for use"/>
         <definition value="Time period during which identifier is/was valid for use."/>
         <comment value="This is not a duration - that's a measure of time (a separate type), but a duration that occurs at a fixed value of time. A Period specifies a range of time; the context of use will specify whether the entire range applies (e.g. "the patient was an inpatient of the hospital for this time range") or one value from the range applies (e.g. "give to the patient between these two times"). If duration is required, specify the type as Interval|Duration."/>
         <min value="0"/>
         <max value="1"/>
         <base>
            <path value="Identifier.period"/>
            <min value="0"/>
            <max value="1"/>
         </base>
         <type>
            <code value="Period"/>
         </type>
         <condition value="ele-1"/>
         <constraint>
            <key value="ele-1"/>
            <severity value="error"/>
            <human value="All FHIR elements must have a @value or children"/>
            <expression value="hasValue() | (children().count() > id.count())"/>
            <xpath value="@value|f:*|h:div"/>
         </constraint>
         <constraint>
            <key value="per-1"/>
            <severity value="error"/>
            <human value="If present, start SHALL have a lower value than end"/>
            <expression value="start.empty() or end.empty() or (start <= end)"/>
            <xpath value="not(exists(f:start)) or not(exists(f:end)) or (f:start/@value <= f:end/@value)"/>
         </constraint>
         <isSummary value="true"/>
         <mapping>
            <identity value="rim"/>
            <map value="n/a"/>
         </mapping>
         <mapping>
            <identity value="v2"/>
            <map value="DR"/>
         </mapping>
         <mapping>
            <identity value="rim"/>
            <map value="IVL<TS>[lowClosed="true" and highClosed="true"] or URG<TS>[lowClosed="true" and highClosed="true"]"/>
         </mapping>
         <mapping>
            <identity value="v2"/>
            <map value="CX.7 + CX.8"/>
         </mapping>
         <mapping>
            <identity value="rim"/>
            <map value="Role.effectiveTime or implied by context"/>
         </mapping>
         <mapping>
            <identity value="servd"/>
            <map value="./StartDate and ./EndDate"/>
         </mapping>
      </element>
      <element id="ProcedureRequest.requisition.assigner">
         <path value="ProcedureRequest.requisition.assigner"/>
         <short value="Organization that issued id (may be just text)"/>
         <definition value="Organization that issued/manages the identifier."/>
         <comment value="The Identifier.assigner may omit the .reference element and only contain a .display element reflecting the name or other textual information about the assigning organization."/>
         <min value="0"/>
         <max value="1"/>
         <base>
            <path value="Identifier.assigner"/>
            <min value="0"/>
            <max value="1"/>
         </base>
         <type>
            <code value="Reference"/>
            <targetProfile value="https://fhir.nhs.uk/STU3/StructureDefinition/CareConnect-GPC-Organization-1"/>
         </type>
         <condition value="ele-1"/>
         <constraint>
            <key value="ele-1"/>
            <severity value="error"/>
            <human value="All FHIR elements must have a @value or children"/>
            <expression value="hasValue() | (children().count() > id.count())"/>
            <xpath value="@value|f:*|h:div"/>
         </constraint>
         <constraint>
            <key value="ref-1"/>
            <severity value="error"/>
            <human value="SHALL have a contained resource if a local reference is provided"/>
            <expression value="reference.startsWith('#').not() or (reference.substring(1).trace('url') in %resource.contained.id.trace('ids'))"/>
            <xpath value="not(starts-with(f:reference/@value, '#')) or exists(ancestor::*[self::f:entry or self::f:parameter]/f:resource/f:*/f:contained/f:*[f:id/@value=substring-after(current()/f:reference/@value, '#')]|/*/f:contained/f:*[f:id/@value=substring-after(current()/f:reference/@value, '#')])"/>
         </constraint>
         <isSummary value="true"/>
         <mapping>
            <identity value="rim"/>
            <map value="n/a"/>
         </mapping>
         <mapping>
            <identity value="rim"/>
            <map value="The target of a resource reference is a RIM entry point (Act, Role, or Entity)"/>
         </mapping>
         <mapping>
            <identity value="v2"/>
            <map value="CX.4 / (CX.4,CX.9,CX.10)"/>
         </mapping>
         <mapping>
            <identity value="rim"/>
            <map value="II.assigningAuthorityName but note that this is an improper use by the definition of the field.  Also Role.scoper"/>
         </mapping>
         <mapping>
            <identity value="servd"/>
            <map value="./IdentifierIssuingAuthority"/>
         </mapping>
      </element>
      <element id="ProcedureRequest.status">
         <path value="ProcedureRequest.status"/>
         <short value="draft | active | suspended | completed | entered-in-error | cancelled"/>
         <definition value="The status of the ProcedureRequest. "/>
         <comment value="The status is generally fully in the control of the requester - they determine whether the order is draft or active and, after it has been activated, competed, cancelled or suspended. States relating to the activities of the performer are reflected on either the corresponding event (see [Event Pattern](event.html) for general discussion) or using the [Task](task.html) resource.  This element is labeled as a modifier because the status contains codes that mark the resource as not currently valid."/>
         <min value="1"/>
         <max value="1"/>
         <base>
            <path value="ProcedureRequest.status"/>
            <min value="1"/>
            <max value="1"/>
         </base>
         <type>
            <code value="code"/>
         </type>
         <fixedCode value="active"/>
         <condition value="ele-1"/>
         <constraint>
            <key value="ele-1"/>
            <severity value="error"/>
            <human value="All FHIR elements must have a @value or children"/>
            <expression value="hasValue() | (children().count() > id.count())"/>
            <xpath value="@value|f:*|h:div"/>
         </constraint>
         <isModifier value="true"/>
         <isSummary value="true"/>
         <binding>
            <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName">
               <valueString value="ProcedureRequestStatus"/>
            </extension>
            <strength value="required"/>
            <description value="The status of a procedure or diagnostic order."/>
            <valueSetReference>
               <reference value="http://hl7.org/fhir/ValueSet/request-status"/>
            </valueSetReference>
         </binding>
         <mapping>
            <identity value="rim"/>
            <map value="n/a"/>
         </mapping>
         <mapping>
            <identity value="workflow"/>
            <map value="Request.status"/>
         </mapping>
         <mapping>
            <identity value="v2"/>
            <map value="ORC.5"/>
         </mapping>
         <mapping>
            <identity value="rim"/>
            <map value=".status"/>
         </mapping>
         <mapping>
            <identity value="quick"/>
            <map value="Action.currentStatus"/>
         </mapping>
         <mapping>
            <identity value="w5"/>
            <map value="status"/>
         </mapping>
      </element>
      <element id="ProcedureRequest.intent">
         <path value="ProcedureRequest.intent"/>
         <short value="proposal | plan | order +"/>
         <definition value="Whether the request is a proposal, plan, an original order or a reflex order."/>
         <comment value="This element is labeled as a modifier because the intent alters when and how the resource is actually applicable."/>
         <min value="1"/>
         <max value="1"/>
         <base>
            <path value="ProcedureRequest.intent"/>
            <min value="1"/>
            <max value="1"/>
         </base>
         <type>
            <code value="code"/>
         </type>
         <condition value="ele-1"/>
         <constraint>
            <key value="ele-1"/>
            <severity value="error"/>
            <human value="All FHIR elements must have a @value or children"/>
            <expression value="hasValue() | (children().count() > id.count())"/>
            <xpath value="@value|f:*|h:div"/>
         </constraint>
         <isModifier value="true"/>
         <isSummary value="true"/>
         <binding>
            <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName">
               <valueString value="ProcedureRequestIntent"/>
            </extension>
            <strength value="required"/>
            <description value="The kind of procedure or diagnostic request"/>
            <valueSetReference>
               <reference value="http://hl7.org/fhir/ValueSet/request-intent"/>
            </valueSetReference>
         </binding>
         <mapping>
            <identity value="rim"/>
            <map value="n/a"/>
         </mapping>
         <mapping>
            <identity value="workflow"/>
            <map value="Request.intent"/>
         </mapping>
         <mapping>
            <identity value="v2"/>
            <map value="N/A"/>
         </mapping>
         <mapping>
            <identity value="rim"/>
            <map value=".moodCode (nuances beyond PRP/PLAN/RQO would need to be elsewhere)"/>
         </mapping>
         <mapping>
            <identity value="w5"/>
            <map value="class"/>
         </mapping>
      </element>
      <element id="ProcedureRequest.priority">
         <path value="ProcedureRequest.priority"/>
         <short value="routine | urgent | asap | stat"/>
         <definition value="Indicates how quickly the ProcedureRequest should be addressed with respect to other requests."/>
         <comment value="Note that FHIR strings may not exceed 1MB in size"/>
         <min value="0"/>
         <max value="1"/>
         <base>
            <path value="ProcedureRequest.priority"/>
            <min value="0"/>
            <max value="1"/>
         </base>
         <type>
            <code value="code"/>
         </type>
         <meaningWhenMissing value="If missing, this task should be performed with normal priority"/>
         <condition value="ele-1"/>
         <constraint>
            <key value="ele-1"/>
            <severity value="error"/>
            <human value="All FHIR elements must have a @value or children"/>
            <expression value="hasValue() | (children().count() > id.count())"/>
            <xpath value="@value|f:*|h:div"/>
         </constraint>
         <isSummary value="true"/>
         <binding>
            <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName">
               <valueString value="ProcedureRequestPriority"/>
            </extension>
            <strength value="required"/>
            <description value="Identifies the level of importance to be assigned to actioning the request"/>
            <valueSetReference>
               <reference value="http://hl7.org/fhir/ValueSet/request-priority"/>
            </valueSetReference>
         </binding>
         <mapping>
            <identity value="rim"/>
            <map value="n/a"/>
         </mapping>
         <mapping>
            <identity value="workflow"/>
            <map value="Request.priority"/>
         </mapping>
         <mapping>
            <identity value="v2"/>
            <map value="TQ1.9"/>
         </mapping>
         <mapping>
            <identity value="rim"/>
            <map value=".priorityCode"/>
         </mapping>
         <mapping>
            <identity value="w5"/>
            <map value="class"/>
         </mapping>
      </element>
      <element id="ProcedureRequest.doNotPerform">
         <path value="ProcedureRequest.doNotPerform"/>
         <short value="True if procedure should not be performed"/>
         <definition value="Set this to true if the record is saying that the procedure should NOT be performed."/>
         <comment value="This element is labeled as a [modifier](conformance-rules.html#isModifier.html) because it indicates that a procedure shouldn't happen, instead of a request for it to happen.  In general, only the code and timeframe will be present, though occasional additional qualifiers such as body site or even performer could be included to narrow the scope of the prohibition.  If the ProcedureRequest.code and ProcedureRequest.doNotPerform both contain negation, that will reinforce prohibition and should not have a double negative interpretation."/>
         <requirements value="Used for do not ambulate, do not elevate head of bed, do not flush NG tube, do not take blood pressure on a certain arm, etc."/>
         <min value="0"/>
         <max value="1"/>
         <base>
            <path value="ProcedureRequest.doNotPerform"/>
            <min value="0"/>
            <max value="1"/>
         </base>
         <type>
            <code value="boolean"/>
         </type>
         <defaultValueBoolean value="false"/>
         <condition value="ele-1"/>
         <constraint>
            <key value="ele-1"/>
            <severity value="error"/>
            <human value="All FHIR elements must have a @value or children"/>
            <expression value="hasValue() | (children().count() > id.count())"/>
            <xpath value="@value|f:*|h:div"/>
         </constraint>
         <isModifier value="true"/>
         <isSummary value="true"/>
         <mapping>
            <identity value="rim"/>
            <map value="n/a"/>
         </mapping>
         <mapping>
            <identity value="rim"/>
            <map value=".actionNegationInd"/>
         </mapping>
      </element>
      <element id="ProcedureRequest.category">
         <path value="ProcedureRequest.category"/>
         <short value="Classification of procedure"/>
         <definition value="A code that classifies the procedure for searching, sorting and display purposes (e.g. "Surgical Procedure")."/>
         <comment value="There may be multiple axis of categorization depending on the context or use case for retrieving or displaying the resource.  The level of granularity is defined by the category concepts in the value set."/>
         <requirements value="Used for filtering what procedure request are retrieved and displayed."/>
         <min value="0"/>
         <max value="*"/>
         <base>
            <path value="ProcedureRequest.category"/>
            <min value="0"/>
            <max value="*"/>
         </base>
         <type>
            <code value="CodeableConcept"/>
         </type>
         <condition value="ele-1"/>
         <constraint>
            <key value="ele-1"/>
            <severity value="error"/>
            <human value="All FHIR elements must have a @value or children"/>
            <expression value="hasValue() | (children().count() > id.count())"/>
            <xpath value="@value|f:*|h:div"/>
         </constraint>
         <isSummary value="true"/>
         <binding>
            <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName">
               <valueString value="ProcedureRequestCategory"/>
            </extension>
            <strength value="example"/>
            <description value="Classification of the procedure"/>
            <valueSetReference>
               <reference value="http://hl7.org/fhir/ValueSet/procedure-category"/>
            </valueSetReference>
         </binding>
         <mapping>
            <identity value="rim"/>
            <map value="n/a"/>
         </mapping>
         <mapping>
            <identity value="v2"/>
            <map value="CE/CNE/CWE"/>
         </mapping>
         <mapping>
            <identity value="rim"/>
            <map value="CD"/>
         </mapping>
         <mapping>
            <identity value="orim"/>
            <map value="fhir:CodeableConcept rdfs:subClassOf dt:CD"/>
         </mapping>
         <mapping>
            <identity value="rim"/>
            <map value=".outboundRelationship[typeCode="COMP].target[classCode="LIST", moodCode="INT"].code"/>
         </mapping>
         <mapping>
            <identity value="w5"/>
            <map value="class"/>
         </mapping>
      </element>
      <element id="ProcedureRequest.category.id">
         <path value="ProcedureRequest.category.id"/>
         <representation value="xmlAttr"/>
         <short value="xml:id (or equivalent in JSON)"/>
         <definition value="unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces."/>
         <comment value="Note that FHIR strings may not exceed 1MB in size"/>
         <min value="0"/>
         <max value="1"/>
         <base>
            <path value="Element.id"/>
            <min value="0"/>
            <max value="1"/>
         </base>
         <type>
            <code value="string"/>
         </type>
         <condition value="ele-1"/>
         <constraint>
            <key value="ele-1"/>
            <severity value="error"/>
            <human value="All FHIR elements must have a @value or children"/>
            <expression value="hasValue() | (children().count() > id.count())"/>
            <xpath value="@value|f:*|h:div"/>
         </constraint>
         <mapping>
            <identity value="rim"/>
            <map value="n/a"/>
         </mapping>
      </element>
      <element id="ProcedureRequest.category.extension">
         <path value="ProcedureRequest.category.extension"/>
         <slicing>
            <discriminator>
               <type value="value"/>
               <path value="url"/>
            </discriminator>
            <description value="Extensions are always sliced by (at least) url"/>
            <rules value="open"/>
         </slicing>
         <short value="Additional Content defined by implementations"/>
         <definition value="May be used to represent additional information that is not part of the basic definition of the element. In order to make the use of extensions safe and manageable, there is a strict set of governance  applied to the definition and use of extensions. Though any implementer is allowed to define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension."/>
         <comment value="There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone."/>
         <alias value="extensions"/>
         <alias value="user content"/>
         <min value="0"/>
         <max value="*"/>
         <base>
            <path value="Element.extension"/>
            <min value="0"/>
            <max value="*"/>
         </base>
         <type>
            <code value="Extension"/>
         </type>
         <condition value="ele-1"/>
         <constraint>
            <key value="ele-1"/>
            <severity value="error"/>
            <human value="All FHIR elements must have a @value or children"/>
            <expression value="hasValue() | (children().count() > id.count())"/>
            <xpath value="@value|f:*|h:div"/>
         </constraint>
         <constraint>
            <key value="ext-1"/>
            <severity value="error"/>
            <human value="Must have either extensions or value[x], not both"/>
            <expression value="extension.exists() != value.exists()"/>
            <xpath value="exists(f:extension)!=exists(f:*[starts-with(local-name(.), 'value')])"/>
         </constraint>
         <mapping>
            <identity value="rim"/>
            <map value="n/a"/>
         </mapping>
         <mapping>
            <identity value="rim"/>
            <map value="N/A"/>
         </mapping>
      </element>
      <element id="ProcedureRequest.category.coding">
         <path value="ProcedureRequest.category.coding"/>
         <slicing>
            <discriminator>
               <type value="value"/>
               <path value="system"/>
            </discriminator>
            <rules value="open"/>
         </slicing>
         <short value="Code defined by a terminology system"/>
         <definition value="A reference to a code defined by a terminology system."/>
         <comment value="Codes may be defined very casually in enumerations, or code lists, up to very formal definitions such as SNOMED CT - see the HL7 v3 Core Principles for more information.  Ordering of codings is undefined and SHALL NOT be used to infer meaning. Generally, at most only one of the coding values will be labeled as UserSelected = true."/>
         <requirements value="Allows for translations and alternate encodings within a code system.  Also supports communication of the same instance to systems requiring different encodings."/>
         <min value="0"/>
         <max value="*"/>
         <base>
            <path value="CodeableConcept.coding"/>
            <min value="0"/>
            <max value="*"/>
         </base>
         <type>
            <code value="Coding"/>
         </type>
         <condition value="ele-1"/>
         <constraint>
            <key value="ele-1"/>
            <severity value="error"/>
            <human value="All FHIR elements must have a @value or children"/>
            <expression value="hasValue() | (children().count() > id.count())"/>
            <xpath value="@value|f:*|h:div"/>
         </constraint>
         <isSummary value="true"/>
         <mapping>
            <identity value="rim"/>
            <map value="n/a"/>
         </mapping>
         <mapping>
            <identity value="v2"/>
            <map value="CE/CNE/CWE subset one of the sets of component 1-3 or 4-6"/>
         </mapping>
         <mapping>
            <identity value="rim"/>
            <map value="CV"/>
         </mapping>
         <mapping>
            <identity value="orim"/>
            <map value="fhir:Coding rdfs:subClassOf dt:CDCoding"/>
         </mapping>
         <mapping>
            <identity value="v2"/>
            <map value="C*E.1-8, C*E.10-22"/>
         </mapping>
         <mapping>
            <identity value="rim"/>
            <map value="union(., ./translation)"/>
         </mapping>
         <mapping>
            <identity value="orim"/>
            <map value="fhir:CodeableConcept.coding rdfs:subPropertyOf dt:CD.coding"/>
         </mapping>
      </element>
      <element id="ProcedureRequest.category.coding:snomedCT">
         <path value="ProcedureRequest.category.coding"/>
         <sliceName value="snomedCT"/>
         <short value="Code defined by a terminology system"/>
         <definition value="A reference to a code defined by a terminology system."/>
         <comment value="Codes may be defined very casually in enumerations, or code lists, up to very formal definitions such as SNOMED CT - see the HL7 v3 Core Principles for more information.  Ordering of codings is undefined and SHALL NOT be used to infer meaning. Generally, at most only one of the coding values will be labeled as UserSelected = true."/>
         <requirements value="Allows for translations and alternate encodings within a code system.  Also supports communication of the same instance to systems requiring different encodings."/>
         <min value="0"/>
         <max value="*"/>
         <base>
            <path value="CodeableConcept.coding"/>
            <min value="0"/>
            <max value="*"/>
         </base>
         <type>
            <code value="Coding"/>
         </type>
         <condition value="ele-1"/>
         <constraint>
            <key value="ele-1"/>
            <severity value="error"/>
            <human value="All FHIR elements must have a @value or children"/>
            <expression value="hasValue() | (children().count() > id.count())"/>
            <xpath value="@value|f:*|h:div"/>
         </constraint>
         <isSummary value="true"/>
         <mapping>
            <identity value="rim"/>
            <map value="n/a"/>
         </mapping>
         <mapping>
            <identity value="v2"/>
            <map value="CE/CNE/CWE subset one of the sets of component 1-3 or 4-6"/>
         </mapping>
         <mapping>
            <identity value="rim"/>
            <map value="CV"/>
         </mapping>
         <mapping>
            <identity value="orim"/>
            <map value="fhir:Coding rdfs:subClassOf dt:CDCoding"/>
         </mapping>
         <mapping>
            <identity value="v2"/>
            <map value="C*E.1-8, C*E.10-22"/>
         </mapping>
         <mapping>
            <identity value="rim"/>
            <map value="union(., ./translation)"/>
         </mapping>
         <mapping>
            <identity value="orim"/>
            <map value="fhir:CodeableConcept.coding rdfs:subPropertyOf dt:CD.coding"/>
         </mapping>
      </element>
      <element id="ProcedureRequest.category.coding:snomedCT.id">
         <path value="ProcedureRequest.category.coding.id"/>
         <representation value="xmlAttr"/>
         <short value="xml:id (or equivalent in JSON)"/>
         <definition value="unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces."/>
         <comment value="Note that FHIR strings may not exceed 1MB in size"/>
         <min value="0"/>
         <max value="1"/>
         <base>
            <path value="Element.id"/>
            <min value="0"/>
            <max value="1"/>
         </base>
         <type>
            <code value="string"/>
         </type>
         <condition value="ele-1"/>
         <constraint>
            <key value="ele-1"/>
            <severity value="error"/>
            <human value="All FHIR elements must have a @value or children"/>
            <expression value="hasValue() | (children().count() > id.count())"/>
            <xpath value="@value|f:*|h:div"/>
         </constraint>
         <mapping>
            <identity value="rim"/>
            <map value="n/a"/>
         </mapping>
      </element>
      <element id="ProcedureRequest.category.coding:snomedCT.extension">
         <path value="ProcedureRequest.category.coding.extension"/>
         <slicing>
            <discriminator>
               <type value="value"/>
               <path value="url"/>
            </discriminator>
            <description value="Extensions are always sliced by (at least) url"/>
            <rules value="open"/>
         </slicing>
         <short value="Additional Content defined by implementations"/>
         <definition value="May be used to represent additional information that is not part of the basic definition of the element. In order to make the use of extensions safe and manageable, there is a strict set of governance  applied to the definition and use of extensions. Though any implementer is allowed to define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension."/>
         <comment value="There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone."/>
         <alias value="extensions"/>
         <alias value="user content"/>
         <min value="0"/>
         <max value="*"/>
         <base>
            <path value="Element.extension"/>
            <min value="0"/>
            <max value="*"/>
         </base>
         <type>
            <code value="Extension"/>
         </type>
         <condition value="ele-1"/>
         <constraint>
            <key value="ele-1"/>
            <severity value="error"/>
            <human value="All FHIR elements must have a @value or children"/>
            <expression value="hasValue() | (children().count() > id.count())"/>
            <xpath value="@value|f:*|h:div"/>
         </constraint>
         <constraint>
            <key value="ext-1"/>
            <severity value="error"/>
            <human value="Must have either extensions or value[x], not both"/>
            <expression value="extension.exists() != value.exists()"/>
            <xpath value="exists(f:extension)!=exists(f:*[starts-with(local-name(.), 'value')])"/>
         </constraint>
         <mapping>
            <identity value="rim"/>
            <map value="n/a"/>
         </mapping>
         <mapping>
            <identity value="rim"/>
            <map value="N/A"/>
         </mapping>
      </element>
      <element id="ProcedureRequest.category.coding:snomedCT.extension:snomedCTDescriptionID">
         <path value="ProcedureRequest.category.coding.extension"/>
         <sliceName value="snomedCTDescriptionID"/>
         <short value="The SNOMED CT Description ID for the display"/>
         <definition value="The SNOMED CT Description ID for the display."/>
         <comment value="There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone."/>
         <alias value="extensions"/>
         <alias value="user content"/>
         <min value="0"/>
         <max value="1"/>
         <base>
            <path value="Element.extension"/>
            <min value="0"/>
            <max value="*"/>
         </base>
         <type>
            <code value="Extension"/>
            <profile value="https://fhir.hl7.org.uk/STU3/StructureDefinition/Extension-coding-sctdescid"/>
         </type>
         <condition value="ele-1"/>
         <constraint>
            <key value="ele-1"/>
            <severity value="error"/>
            <human value="All FHIR elements must have a @value or children"/>
            <expression value="hasValue() | (children().count() > id.count())"/>
            <xpath value="@value|f:*|h:div"/>
         </constraint>
         <constraint>
            <key value="ext-1"/>
            <severity value="error"/>
            <human value="Must have either extensions or value[x], not both"/>
            <expression value="extension.exists() != value.exists()"/>
            <xpath value="exists(f:extension)!=exists(f:*[starts-with(local-name(.), 'value')])"/>
         </constraint>
         <mapping>
            <identity value="rim"/>
            <map value="n/a"/>
         </mapping>
         <mapping>
            <identity value="rim"/>
            <map value="N/A"/>
         </mapping>
      </element>
      <element id="ProcedureRequest.category.coding:snomedCT.extension:snomedCTDescriptionID.id">
         <path value="ProcedureRequest.category.coding.extension.id"/>
         <representation value="xmlAttr"/>
         <short value="xml:id (or equivalent in JSON)"/>
         <definition value="unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces."/>
         <comment value="Note that FHIR strings may not exceed 1MB in size"/>
         <min value="0"/>
         <max value="1"/>
         <base>
            <path value="Element.id"/>
            <min value="0"/>
            <max value="1"/>
         </base>
         <type>
            <code value="string"/>
         </type>
         <condition value="ele-1"/>
         <constraint>
            <key value="ele-1"/>
            <severity value="error"/>
            <human value="All FHIR elements must have a @value or children"/>
            <expression value="hasValue() | (children().count() > id.count())"/>
            <xpath value="@value|f:*|h:div"/>
         </constraint>
         <mapping>
            <identity value="rim"/>
            <map value="n/a"/>
         </mapping>
      </element>
      <element id="ProcedureRequest.category.coding:snomedCT.extension:snomedCTDescriptionID.extension">
         <path value="ProcedureRequest.category.coding.extension.extension"/>
         <slicing>
            <discriminator>
               <type value="value"/>
               <path value="url"/>
            </discriminator>
            <description value="Extensions are always sliced by (at least) url"/>
            <rules value="open"/>
         </slicing>
         <short value="Additional Content defined by implementations"/>
         <definition value="May be used to represent additional information that is not part of the basic definition of the element. In order to make the use of extensions safe and manageable, there is a strict set of governance  applied to the definition and use of extensions. Though any implementer is allowed to define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension."/>
         <comment value="There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone."/>
         <alias value="extensions"/>
         <alias value="user content"/>
         <min value="0"/>
         <max value="*"/>
         <base>
            <path value="Element.extension"/>
            <min value="0"/>
            <max value="*"/>
         </base>
         <type>
            <code value="Extension"/>
         </type>
         <condition value="ele-1"/>
         <constraint>
            <key value="ele-1"/>
            <severity value="error"/>
            <human value="All FHIR elements must have a @value or children"/>
            <expression value="hasValue() | (children().count() > id.count())"/>
            <xpath value="@value|f:*|h:div"/>
         </constraint>
         <constraint>
            <key value="ext-1"/>
            <severity value="error"/>
            <human value="Must have either extensions or value[x], not both"/>
            <expression value="extension.exists() != value.exists()"/>
            <xpath value="exists(f:extension)!=exists(f:*[starts-with(local-name(.), 'value')])"/>
         </constraint>
         <mapping>
            <identity value="rim"/>
            <map value="n/a"/>
         </mapping>
         <mapping>
            <identity value="rim"/>
            <map value="N/A"/>
         </mapping>
      </element>
      <element id="ProcedureRequest.category.coding:snomedCT.extension:snomedCTDescriptionID.url">
         <path value="ProcedureRequest.category.coding.extension.url"/>
         <representation value="xmlAttr"/>
         <short value="identifies the meaning of the extension"/>
         <definition value="Source of the definition for the extension code - a logical name or a URL."/>
         <comment value="The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension."/>
         <min value="1"/>
         <max value="1"/>
         <base>
            <path value="Extension.url"/>
            <min value="1"/>
            <max value="1"/>
         </base>
         <type>
            <code value="uri"/>
         </type>
         <fixedUri value="https://fhir.hl7.org.uk/STU3/StructureDefinition/Extension-coding-sctdescid"/>
         <condition value="ele-1"/>
         <constraint>
            <key value="ele-1"/>
            <severity value="error"/>
            <human value="All FHIR elements must have a @value or children"/>
            <expression value="hasValue() | (children().count() > id.count())"/>
            <xpath value="@value|f:*|h:div"/>
         </constraint>
         <mapping>
            <identity value="rim"/>
            <map value="n/a"/>
         </mapping>
         <mapping>
            <identity value="rim"/>
            <map value="N/A"/>
         </mapping>
      </element>
      <element id="ProcedureRequest.category.coding:snomedCT.extension:snomedCTDescriptionID.value[x]">
         <path value="ProcedureRequest.category.coding.extension.value[x]"/>
         <short value="Value of extension"/>
         <definition value="Value of extension - may be a resource or one of a constrained set of the data types (see Extensibility in the spec for list)."/>
         <comment value="A stream of bytes, base64 encoded"/>
         <min value="0"/>
         <max value="1"/>
         <base>
            <path value="Extension.value[x]"/>
            <min value="0"/>
            <max value="1"/>
         </base>
         <type>
            <code value="base64Binary"/>
         </type>
         <type>
            <code value="boolean"/>
         </type>
         <type>
            <code value="code"/>
         </type>
         <type>
            <code value="date"/>
         </type>
         <type>
            <code value="dateTime"/>
         </type>
         <type>
            <code value="decimal"/>
         </type>
         <type>
            <code value="id"/>
         </type>
         <type>
            <code value="instant"/>
         </type>
         <type>
            <code value="integer"/>
         </type>
         <type>
            <code value="markdown"/>
         </type>
         <type>
            <code value="oid"/>
         </type>
         <type>
            <code value="positiveInt"/>
         </type>
         <type>
            <code value="string"/>
         </type>
         <type>
            <code value="time"/>
         </type>
         <type>
            <code value="unsignedInt"/>
         </type>
         <type>
            <code value="uri"/>
         </type>
         <type>
            <code value="Address"/>
         </type>
         <type>
            <code value="Age"/>
         </type>
         <type>
            <code value="Annotation"/>
         </type>
         <type>
            <code value="Attachment"/>
         </type>
         <type>
            <code value="CodeableConcept"/>
         </type>
         <type>
            <code value="Coding"/>
         </type>
         <type>
            <code value="ContactPoint"/>
         </type>
         <type>
            <code value="Count"/>
         </type>
         <type>
            <code value="Distance"/>
         </type>
         <type>
            <code value="Duration"/>
         </type>
         <type>
            <code value="HumanName"/>
         </type>
         <type>
            <code value="Identifier"/>
         </type>
         <type>
            <code value="Money"/>
         </type>
         <type>
            <code value="Period"/>
         </type>
         <type>
            <code value="Quantity"/>
         </type>
         <type>
            <code value="Range"/>
         </type>
         <type>
            <code value="Ratio"/>
         </type>
         <type>
            <code value="Reference"/>
         </type>
         <type>
            <code value="SampledData"/>
         </type>
         <type>
            <code value="Signature"/>
         </type>
         <type>
            <code value="Timing"/>
         </type>
         <type>
            <code value="Meta"/>
         </type>
         <condition value="ele-1"/>
         <constraint>
            <key value="ele-1"/>
            <severity value="error"/>
            <human value="All FHIR elements must have a @value or children"/>
            <expression value="hasValue() | (children().count() > id.count())"/>
            <xpath value="@value|f:*|h:div"/>
         </constraint>
         <mapping>
            <identity value="rim"/>
            <map value="n/a"/>
         </mapping>
         <mapping>
            <identity value="rim"/>
            <map value="N/A"/>
         </mapping>
      </element>
      <element id="ProcedureRequest.category.coding:snomedCT.system">
         <path value="ProcedureRequest.category.coding.system"/>
         <short value="Identity of the terminology system"/>
         <definition value="The identification of the code system that defines the meaning of the symbol in the code."/>
         <comment value="The URI may be an OID (urn:oid:...) or a UUID (urn:uuid:...).  OIDs and UUIDs SHALL be references to the HL7 OID registry. Otherwise, the URI should come from HL7's list of FHIR defined special URIs or it should de-reference to some definition that establish the system clearly and unambiguously."/>
         <requirements value="Need to be unambiguous about the source of the definition of the symbol."/>
         <min value="1"/>
         <max value="1"/>
         <base>
            <path value="Coding.system"/>
            <min value="0"/>
            <max value="1"/>
         </base>
         <type>
            <code value="uri"/>
         </type>
         <fixedUri value="http://snomed.info/sct"/>
         <condition value="ele-1"/>
         <constraint>
            <key value="ele-1"/>
            <severity value="error"/>
            <human value="All FHIR elements must have a @value or children"/>
            <expression value="hasValue() | (children().count() > id.count())"/>
            <xpath value="@value|f:*|h:div"/>
         </constraint>
         <isSummary value="true"/>
         <mapping>
            <identity value="rim"/>
            <map value="n/a"/>
         </mapping>
         <mapping>
            <identity value="v2"/>
            <map value="C*E.3"/>
         </mapping>
         <mapping>
            <identity value="rim"/>
            <map value="./codeSystem"/>
         </mapping>
         <mapping>
            <identity value="orim"/>
            <map value="fhir:Coding.system rdfs:subPropertyOf dt:CDCoding.codeSystem"/>
         </mapping>
      </element>
      <element id="ProcedureRequest.category.coding:snomedCT.version">
         <path value="ProcedureRequest.category.coding.version"/>
         <short value="Version of the system - if relevant"/>
         <definition value="The version of the code system which was used when choosing this code. Note that a well-maintained code system does not need the version reported, because the meaning of codes is consistent across versions. However this cannot consistently be assured. and when the meaning is not guaranteed to be consistent, the version SHOULD be exchanged."/>
         <comment value="Where the terminology does not clearly define what string should be used to identify code system versions, the recommendation is to use the date (expressed in FHIR date format) on which that version was officially published as the version date."/>
         <min value="0"/>
         <max value="0"/>
         <base>
            <path value="Coding.version"/>
            <min value="0"/>
            <max value="1"/>
         </base>
         <type>
            <code value="string"/>
         </type>
         <condition value="ele-1"/>
         <constraint>
            <key value="ele-1"/>
            <severity value="error"/>
            <human value="All FHIR elements must have a @value or children"/>
            <expression value="hasValue() | (children().count() > id.count())"/>
            <xpath value="@value|f:*|h:div"/>
         </constraint>
         <isSummary value="true"/>
         <mapping>
            <identity value="rim"/>
            <map value="n/a"/>
         </mapping>
         <mapping>
            <identity value="v2"/>
            <map value="C*E.7"/>
         </mapping>
         <mapping>
            <identity value="rim"/>
            <map value="./codeSystemVersion"/>
         </mapping>
         <mapping>
            <identity value="orim"/>
            <map value="fhir:Coding.version rdfs:subPropertyOf dt:CDCoding.codeSystemVersion"/>
         </mapping>
      </element>
      <element id="ProcedureRequest.category.coding:snomedCT.code">
         <path value="ProcedureRequest.category.coding.code"/>
         <short value="Symbol in syntax defined by the system"/>
         <definition value="A symbol in syntax defined by the system. The symbol may be a predefined code or an expression in a syntax defined by the coding system (e.g. post-coordination)."/>
         <comment value="Note that FHIR strings may not exceed 1MB in size"/>
         <requirements value="Need to refer to a particular code in the system."/>
         <min value="1"/>
         <max value="1"/>
         <base>
            <path value="Coding.code"/>
            <min value="0"/>
            <max value="1"/>
         </base>
         <type>
            <code value="code"/>
         </type>
         <condition value="ele-1"/>
         <constraint>
            <key value="ele-1"/>
            <severity value="error"/>
            <human value="All FHIR elements must have a @value or children"/>
            <expression value="hasValue() | (children().count() > id.count())"/>
            <xpath value="@value|f:*|h:div"/>
         </constraint>
         <isSummary value="true"/>
         <mapping>
            <identity value="rim"/>
            <map value="n/a"/>
         </mapping>
         <mapping>
            <identity value="v2"/>
            <map value="C*E.1"/>
         </mapping>
         <mapping>
            <identity value="rim"/>
            <map value="./code"/>
         </mapping>
         <mapping>
            <identity value="orim"/>
            <map value="fhir:Coding.code rdfs:subPropertyOf dt:CDCoding.code"/>
         </mapping>
      </element>
      <element id="ProcedureRequest.category.coding:snomedCT.display">
         <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-translatable">
            <valueBoolean value="true"/>
         </extension>
         <path value="ProcedureRequest.category.coding.display"/>
         <short value="Representation defined by the system"/>
         <definition value="A representation of the meaning of the code in the system, following the rules of the system."/>
         <comment value="Note that FHIR strings may not exceed 1MB in size"/>
         <requirements value="Need to be able to carry a human-readable meaning of the code for readers that do not know  the system."/>
         <min value="1"/>
         <max value="1"/>
         <base>
            <path value="Coding.display"/>
            <min value="0"/>
            <max value="1"/>
         </base>
         <type>
            <code value="string"/>
         </type>
         <condition value="ele-1"/>
         <constraint>
            <key value="ele-1"/>
            <severity value="error"/>
            <human value="All FHIR elements must have a @value or children"/>
            <expression value="hasValue() | (children().count() > id.count())"/>
            <xpath value="@value|f:*|h:div"/>
         </constraint>
         <isSummary value="true"/>
         <mapping>
            <identity value="rim"/>
            <map value="n/a"/>
         </mapping>
         <mapping>
            <identity value="v2"/>
            <map value="C*E.2 - but note this is not well followed"/>
         </mapping>
         <mapping>
            <identity value="rim"/>
            <map value="CV.displayName"/>
         </mapping>
         <mapping>
            <identity value="orim"/>
            <map value="fhir:Coding.display rdfs:subPropertyOf dt:CDCoding.displayName"/>
         </mapping>
      </element>
      <element id="ProcedureRequest.category.coding:snomedCT.userSelected">
         <path value="ProcedureRequest.category.coding.userSelected"/>
         <short value="If this coding was chosen directly by the user"/>
         <definition value="Indicates that this coding was chosen by a user directly - i.e. off a pick list of available items (codes or displays)."/>
         <comment value="Amongst a set of alternatives, a directly chosen code is the most appropriate starting point for new translations. There is some ambiguity about what exactly 'directly chosen' implies, and trading partner agreement may be needed to clarify the use of this element and its consequences more completely."/>
         <requirements value="This has been identified as a clinical safety criterium - that this exact system/code pair was chosen explicitly, rather than inferred by the system based on some rules or language processing."/>
         <min value="0"/>
         <max value="1"/>
         <base>
            <path value="Coding.userSelected"/>
            <min value="0"/>
            <max value="1"/>
         </base>
         <type>
            <code value="boolean"/>
         </type>
         <condition value="ele-1"/>
         <constraint>
            <key value="ele-1"/>
            <severity value="error"/>
            <human value="All FHIR elements must have a @value or children"/>
            <expression value="hasValue() | (children().count() > id.count())"/>
            <xpath value="@value|f:*|h:div"/>
         </constraint>
         <isSummary value="true"/>
         <mapping>
            <identity value="rim"/>
            <map value="n/a"/>
         </mapping>
         <mapping>
            <identity value="v2"/>
            <map value="Sometimes implied by being first"/>
         </mapping>
         <mapping>
            <identity value="rim"/>
            <map value="CD.codingRationale"/>
         </mapping>
         <mapping>
            <identity value="orim"/>
            <map value="fhir:Coding.userSelected fhir:mapsTo dt:CDCoding.codingRationale. fhir:Coding.userSelected fhir:hasMap fhir:Coding.userSelected.map. fhir:Coding.userSelected.map a fhir:Map;   fhir:target dt:CDCoding.codingRationale. fhir:Coding.userSelected\#true a [     fhir:source "true";     fhir:target dt:CDCoding.codingRationale\#O   ]"/>
         </mapping>
      </element>
      <element id="ProcedureRequest.category.text">
         <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-translatable">
            <valueBoolean value="true"/>
         </extension>
         <path value="ProcedureRequest.category.text"/>
         <short value="Plain text representation of the concept"/>
         <definition value="A human language representation of the concept as seen/selected/uttered by the user who entered the data and/or which represents the intended meaning of the user."/>
         <comment value="Very often the text is the same as a displayName of one of the codings."/>
         <requirements value="The codes from the terminologies do not always capture the correct meaning with all the nuances of the human using them, or sometimes there is no appropriate code at all. In these cases, the text is used to capture the full meaning of the source."/>
         <min value="0"/>
         <max value="1"/>
         <base>
            <path value="CodeableConcept.text"/>
            <min value="0"/>
            <max value="1"/>
         </base>
         <type>
            <code value="string"/>
         </type>
         <condition value="ele-1"/>
         <constraint>
            <key value="ele-1"/>
            <severity value="error"/>
            <human value="All FHIR elements must have a @value or children"/>
            <expression value="hasValue() | (children().count() > id.count())"/>
            <xpath value="@value|f:*|h:div"/>
         </constraint>
         <isSummary value="true"/>
         <mapping>
            <identity value="rim"/>
            <map value="n/a"/>
         </mapping>
         <mapping>
            <identity value="v2"/>
            <map value="C*E.9. But note many systems use C*E.2 for this"/>
         </mapping>
         <mapping>
            <identity value="rim"/>
            <map value="./originalText[mediaType/code="text/plain"]/data"/>
         </mapping>
         <mapping>
            <identity value="orim"/>
            <map value="fhir:CodeableConcept.text rdfs:subPropertyOf dt:CD.originalText"/>
         </mapping>
      </element>
      <element id="ProcedureRequest.code">
         <path value="ProcedureRequest.code"/>
         <short value="The tests requested by the requesting health care professional."/>
         <definition value="A code that identifies a particular procedure, diagnostic investigation, or panel of investigations, that have been requested."/>
         <comment value="Many laboratory and radiology procedure codes embed the specimen/organ system in the test ordeer name, for example,  serum or serum/plasma glucose, or a chest xray. The specimen may not be recorded separately from the test code."/>
         <min value="1"/>
         <max value="1"/>
         <base>
            <path value="ProcedureRequest.code"/>
            <min value="1"/>
            <max value="1"/>
         </base>
         <type>
            <code value="CodeableConcept"/>
         </type>
         <condition value="ele-1"/>
         <constraint>
            <key value="ele-1"/>
            <severity value="error"/>
            <human value="All FHIR elements must have a @value or children"/>
            <expression value="hasValue() | (children().count() > id.count())"/>
            <xpath value="@value|f:*|h:div"/>
         </constraint>
         <isSummary value="true"/>
         <binding>
            <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName">
               <valueString value="ProcedureRequestCode"/>
            </extension>
            <strength value="example"/>
            <description value="Codes for tests/services that can be performed by procedure or diagnostic services.  For laboratory, LOINC is  (preferred)[http://hl7.org/fhir/STU3/terminologies.html#preferred] and a valueset using LOINC Order codes is available [here](valueset-diagnostic-requests.html)."/>
            <valueSetReference>
               <reference value="http://hl7.org/fhir/ValueSet/procedure-code"/>
            </valueSetReference>
         </binding>
         <mapping>
            <identity value="rim"/>
            <map value="n/a"/>
         </mapping>
         <mapping>
            <identity value="v2"/>
            <map value="CE/CNE/CWE"/>
         </mapping>
         <mapping>
            <identity value="rim"/>
            <map value="CD"/>
         </mapping>
         <mapping>
            <identity value="orim"/>
            <map value="fhir:CodeableConcept rdfs:subClassOf dt:CD"/>
         </mapping>
         <mapping>
            <identity value="workflow"/>
            <map value="Request.code"/>
         </mapping>
         <mapping>
            <identity value="v2"/>
            <map value="Varies by domain"/>
         </mapping>
         <mapping>
            <identity value="rim"/>
            <map value=".code"/>
         </mapping>
         <mapping>
            <identity value="quick"/>
            <map value="Procedure.procedureCode"/>
         </mapping>
         <mapping>
            <identity value="w5"/>
            <map value="what"/>
         </mapping>
      </element>
      <element id="ProcedureRequest.code.id">
         <path value="ProcedureRequest.code.id"/>
         <representation value="xmlAttr"/>
         <short value="xml:id (or equivalent in JSON)"/>
         <definition value="unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces."/>
         <comment value="Note that FHIR strings may not exceed 1MB in size"/>
         <min value="0"/>
         <max value="1"/>
         <base>
            <path value="Element.id"/>
            <min value="0"/>
            <max value="1"/>
         </base>
         <type>
            <code value="string"/>
         </type>
         <condition value="ele-1"/>
         <constraint>
            <key value="ele-1"/>
            <severity value="error"/>
            <human value="All FHIR elements must have a @value or children"/>
            <expression value="hasValue() | (children().count() > id.count())"/>
            <xpath value="@value|f:*|h:div"/>
         </constraint>
         <mapping>
            <identity value="rim"/>
            <map value="n/a"/>
         </mapping>
      </element>
      <element id="ProcedureRequest.code.extension">
         <path value="ProcedureRequest.code.extension"/>
         <slicing>
            <discriminator>
               <type value="value"/>
               <path value="url"/>
            </discriminator>
            <description value="Extensions are always sliced by (at least) url"/>
            <rules value="open"/>
         </slicing>
         <short value="Additional Content defined by implementations"/>
         <definition value="May be used to represent additional information that is not part of the basic definition of the element. In order to make the use of extensions safe and manageable, there is a strict set of governance  applied to the definition and use of extensions. Though any implementer is allowed to define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension."/>
         <comment value="There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone."/>
         <alias value="extensions"/>
         <alias value="user content"/>
         <min value="0"/>
         <max value="*"/>
         <base>
            <path value="Element.extension"/>
            <min value="0"/>
            <max value="*"/>
         </base>
         <type>
            <code value="Extension"/>
         </type>
         <condition value="ele-1"/>
         <constraint>
            <key value="ele-1"/>
            <severity value="error"/>
            <human value="All FHIR elements must have a @value or children"/>
            <expression value="hasValue() | (children().count() > id.count())"/>
            <xpath value="@value|f:*|h:div"/>
         </constraint>
         <constraint>
            <key value="ext-1"/>
            <severity value="error"/>
            <human value="Must have either extensions or value[x], not both"/>
            <expression value="extension.exists() != value.exists()"/>
            <xpath value="exists(f:extension)!=exists(f:*[starts-with(local-name(.), 'value')])"/>
         </constraint>
         <mapping>
            <identity value="rim"/>
            <map value="n/a"/>
         </mapping>
         <mapping>
            <identity value="rim"/>
            <map value="N/A"/>
         </mapping>
      </element>
      <element id="ProcedureRequest.code.coding">
         <path value="ProcedureRequest.code.coding"/>
         <slicing>
            <discriminator>
               <type value="value"/>
               <path value="system"/>
            </discriminator>
            <rules value="open"/>
         </slicing>
         <short value="Code defined by a terminology system"/>
         <definition value="A reference to a code defined by a terminology system."/>
         <comment value="Codes may be defined very casually in enumerations, or code lists, up to very formal definitions such as SNOMED CT - see the HL7 v3 Core Principles for more information.  Ordering of codings is undefined and SHALL NOT be used to infer meaning. Generally, at most only one of the coding values will be labeled as UserSelected = true."/>
         <requirements value="Allows for translations and alternate encodings within a code system.  Also supports communication of the same instance to systems requiring different encodings."/>
         <min value="0"/>
         <max value="*"/>
         <base>
            <path value="CodeableConcept.coding"/>
            <min value="0"/>
            <max value="*"/>
         </base>
         <type>
            <code value="Coding"/>
         </type>
         <condition value="ele-1"/>
         <constraint>
            <key value="ele-1"/>
            <severity value="error"/>
            <human value="All FHIR elements must have a @value or children"/>
            <expression value="hasValue() | (children().count() > id.count())"/>
            <xpath value="@value|f:*|h:div"/>
         </constraint>
         <isSummary value="true"/>
         <mapping>
            <identity value="rim"/>
            <map value="n/a"/>
         </mapping>
         <mapping>
            <identity value="v2"/>
            <map value="CE/CNE/CWE subset one of the sets of component 1-3 or 4-6"/>
         </mapping>
         <mapping>
            <identity value="rim"/>
            <map value="CV"/>
         </mapping>
         <mapping>
            <identity value="orim"/>
            <map value="fhir:Coding rdfs:subClassOf dt:CDCoding"/>
         </mapping>
         <mapping>
            <identity value="v2"/>
            <map value="C*E.1-8, C*E.10-22"/>
         </mapping>
         <mapping>
            <identity value="rim"/>
            <map value="union(., ./translation)"/>
         </mapping>
         <mapping>
            <identity value="orim"/>
            <map value="fhir:CodeableConcept.coding rdfs:subPropertyOf dt:CD.coding"/>
         </mapping>
      </element>
      <element id="ProcedureRequest.code.coding:snomedCT">
         <path value="ProcedureRequest.code.coding"/>
         <sliceName value="snomedCT"/>
         <short value="Code defined by a terminology system"/>
         <definition value="A reference to a code defined by a terminology system."/>
         <comment value="Codes may be defined very casually in enumerations, or code lists, up to very formal definitions such as SNOMED CT - see the HL7 v3 Core Principles for more information.  Ordering of codings is undefined and SHALL NOT be used to infer meaning. Generally, at most only one of the coding values will be labeled as UserSelected = true."/>
         <requirements value="Allows for translations and alternate encodings within a code system.  Also supports communication of the same instance to systems requiring different encodings."/>
         <min value="0"/>
         <max value="*"/>
         <base>
            <path value="CodeableConcept.coding"/>
            <min value="0"/>
            <max value="*"/>
         </base>
         <type>
            <code value="Coding"/>
         </type>
         <condition value="ele-1"/>
         <constraint>
            <key value="ele-1"/>
            <severity value="error"/>
            <human value="All FHIR elements must have a @value or children"/>
            <expression value="hasValue() | (children().count() > id.count())"/>
            <xpath value="@value|f:*|h:div"/>
         </constraint>
         <isSummary value="true"/>
         <mapping>
            <identity value="rim"/>
            <map value="n/a"/>
         </mapping>
         <mapping>
            <identity value="v2"/>
            <map value="CE/CNE/CWE subset one of the sets of component 1-3 or 4-6"/>
         </mapping>
         <mapping>
            <identity value="rim"/>
            <map value="CV"/>
         </mapping>
         <mapping>
            <identity value="orim"/>
            <map value="fhir:Coding rdfs:subClassOf dt:CDCoding"/>
         </mapping>
         <mapping>
            <identity value="v2"/>
            <map value="C*E.1-8, C*E.10-22"/>
         </mapping>
         <mapping>
            <identity value="rim"/>
            <map value="union(., ./translation)"/>
         </mapping>
         <mapping>
            <identity value="orim"/>
            <map value="fhir:CodeableConcept.coding rdfs:subPropertyOf dt:CD.coding"/>
         </mapping>
      </element>
      <element id="ProcedureRequest.code.coding:snomedCT.id">
         <path value="ProcedureRequest.code.coding.id"/>
         <representation value="xmlAttr"/>
         <short value="xml:id (or equivalent in JSON)"/>
         <definition value="unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces."/>
         <comment value="Note that FHIR strings may not exceed 1MB in size"/>
         <min value="0"/>
         <max value="1"/>
         <base>
            <path value="Element.id"/>
            <min value="0"/>
            <max value="1"/>
         </base>
         <type>
            <code value="string"/>
         </type>
         <condition value="ele-1"/>
         <constraint>
            <key value="ele-1"/>
            <severity value="error"/>
            <human value="All FHIR elements must have a @value or children"/>
            <expression value="hasValue() | (children().count() > id.count())"/>
            <xpath value="@value|f:*|h:div"/>
         </constraint>
         <mapping>
            <identity value="rim"/>
            <map value="n/a"/>
         </mapping>
      </element>
      <element id="ProcedureRequest.code.coding:snomedCT.extension">
         <path value="ProcedureRequest.code.coding.extension"/>
         <slicing>
            <discriminator>
               <type value="value"/>
               <path value="url"/>
            </discriminator>
            <description value="Extensions are always sliced by (at least) url"/>
            <rules value="open"/>
         </slicing>
         <short value="Additional Content defined by implementations"/>
         <definition value="May be used to represent additional information that is not part of the basic definition of the element. In order to make the use of extensions safe and manageable, there is a strict set of governance  applied to the definition and use of extensions. Though any implementer is allowed to define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension."/>
         <comment value="There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone."/>
         <alias value="extensions"/>
         <alias value="user content"/>
         <min value="0"/>
         <max value="*"/>
         <base>
            <path value="Element.extension"/>
            <min value="0"/>
            <max value="*"/>
         </base>
         <type>
            <code value="Extension"/>
         </type>
         <condition value="ele-1"/>
         <constraint>
            <key value="ele-1"/>
            <severity value="error"/>
            <human value="All FHIR elements must have a @value or children"/>
            <expression value="hasValue() | (children().count() > id.count())"/>
            <xpath value="@value|f:*|h:div"/>
         </constraint>
         <constraint>
            <key value="ext-1"/>
            <severity value="error"/>
            <human value="Must have either extensions or value[x], not both"/>
            <expression value="extension.exists() != value.exists()"/>
            <xpath value="exists(f:extension)!=exists(f:*[starts-with(local-name(.), 'value')])"/>
         </constraint>
         <mapping>
            <identity value="rim"/>
            <map value="n/a"/>
         </mapping>
         <mapping>
            <identity value="rim"/>
            <map value="N/A"/>
         </mapping>
      </element>
      <element id="ProcedureRequest.code.coding:snomedCT.extension:snomedCTDescriptionID">
         <path value="ProcedureRequest.code.coding.extension"/>
         <sliceName value="snomedCTDescriptionID"/>
         <short value="The SNOMED CT Description ID for the display"/>
         <definition value="The SNOMED CT Description ID for the display."/>
         <comment value="There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone."/>
         <alias value="extensions"/>
         <alias value="user content"/>
         <min value="0"/>
         <max value="1"/>
         <base>
            <path value="Element.extension"/>
            <min value="0"/>
            <max value="*"/>
         </base>
         <type>
            <code value="Extension"/>
            <profile value="https://fhir.hl7.org.uk/STU3/StructureDefinition/Extension-coding-sctdescid"/>
         </type>
         <condition value="ele-1"/>
         <constraint>
            <key value="ele-1"/>
            <severity value="error"/>
            <human value="All FHIR elements must have a @value or children"/>
            <expression value="hasValue() | (children().count() > id.count())"/>
            <xpath value="@value|f:*|h:div"/>
         </constraint>
         <constraint>
            <key value="ext-1"/>
            <severity value="error"/>
            <human value="Must have either extensions or value[x], not both"/>
            <expression value="extension.exists() != value.exists()"/>
            <xpath value="exists(f:extension)!=exists(f:*[starts-with(local-name(.), 'value')])"/>
         </constraint>
         <mapping>
            <identity value="rim"/>
            <map value="n/a"/>
         </mapping>
         <mapping>
            <identity value="rim"/>
            <map value="N/A"/>
         </mapping>
      </element>
      <element id="ProcedureRequest.code.coding:snomedCT.extension:snomedCTDescriptionID.id">
         <path value="ProcedureRequest.code.coding.extension.id"/>
         <representation value="xmlAttr"/>
         <short value="xml:id (or equivalent in JSON)"/>
         <definition value="unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces."/>
         <comment value="Note that FHIR strings may not exceed 1MB in size"/>
         <min value="0"/>
         <max value="1"/>
         <base>
            <path value="Element.id"/>
            <min value="0"/>
            <max value="1"/>
         </base>
         <type>
            <code value="string"/>
         </type>
         <condition value="ele-1"/>
         <constraint>
            <key value="ele-1"/>
            <severity value="error"/>
            <human value="All FHIR elements must have a @value or children"/>
            <expression value="hasValue() | (children().count() > id.count())"/>
            <xpath value="@value|f:*|h:div"/>
         </constraint>
         <mapping>
            <identity value="rim"/>
            <map value="n/a"/>
         </mapping>
      </element>
      <element id="ProcedureRequest.code.coding:snomedCT.extension:snomedCTDescriptionID.extension">
         <path value="ProcedureRequest.code.coding.extension.extension"/>
         <slicing>
            <discriminator>
               <type value="value"/>
               <path value="url"/>
            </discriminator>
            <description value="Extensions are always sliced by (at least) url"/>
            <rules value="open"/>
         </slicing>
         <short value="Additional Content defined by implementations"/>
         <definition value="May be used to represent additional information that is not part of the basic definition of the element. In order to make the use of extensions safe and manageable, there is a strict set of governance  applied to the definition and use of extensions. Though any implementer is allowed to define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension."/>
         <comment value="There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone."/>
         <alias value="extensions"/>
         <alias value="user content"/>
         <min value="0"/>
         <max value="*"/>
         <base>
            <path value="Element.extension"/>
            <min value="0"/>
            <max value="*"/>
         </base>
         <type>
            <code value="Extension"/>
         </type>
         <condition value="ele-1"/>
         <constraint>
            <key value="ele-1"/>
            <severity value="error"/>
            <human value="All FHIR elements must have a @value or children"/>
            <expression value="hasValue() | (children().count() > id.count())"/>
            <xpath value="@value|f:*|h:div"/>
         </constraint>
         <constraint>
            <key value="ext-1"/>
            <severity value="error"/>
            <human value="Must have either extensions or value[x], not both"/>
            <expression value="extension.exists() != value.exists()"/>
            <xpath value="exists(f:extension)!=exists(f:*[starts-with(local-name(.), 'value')])"/>
         </constraint>
         <mapping>
            <identity value="rim"/>
            <map value="n/a"/>
         </mapping>
         <mapping>
            <identity value="rim"/>
            <map value="N/A"/>
         </mapping>
      </element>
      <element id="ProcedureRequest.code.coding:snomedCT.extension:snomedCTDescriptionID.url">
         <path value="ProcedureRequest.code.coding.extension.url"/>
         <representation value="xmlAttr"/>
         <short value="identifies the meaning of the extension"/>
         <definition value="Source of the definition for the extension code - a logical name or a URL."/>
         <comment value="The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension."/>
         <min value="1"/>
         <max value="1"/>
         <base>
            <path value="Extension.url"/>
            <min value="1"/>
            <max value="1"/>
         </base>
         <type>
            <code value="uri"/>
         </type>
         <fixedUri value="https://fhir.hl7.org.uk/STU3/StructureDefinition/Extension-coding-sctdescid"/>
         <condition value="ele-1"/>
         <constraint>
            <key value="ele-1"/>
            <severity value="error"/>
            <human value="All FHIR elements must have a @value or children"/>
            <expression value="hasValue() | (children().count() > id.count())"/>
            <xpath value="@value|f:*|h:div"/>
         </constraint>
         <mapping>
            <identity value="rim"/>
            <map value="n/a"/>
         </mapping>
         <mapping>
            <identity value="rim"/>
            <map value="N/A"/>
         </mapping>
      </element>
      <element id="ProcedureRequest.code.coding:snomedCT.extension:snomedCTDescriptionID.value[x]">
         <path value="ProcedureRequest.code.coding.extension.value[x]"/>
         <short value="Value of extension"/>
         <definition value="Value of extension - may be a resource or one of a constrained set of the data types (see Extensibility in the spec for list)."/>
         <comment value="A stream of bytes, base64 encoded"/>
         <min value="0"/>
         <max value="1"/>
         <base>
            <path value="Extension.value[x]"/>
            <min value="0"/>
            <max value="1"/>
         </base>
         <type>
            <code value="base64Binary"/>
         </type>
         <type>
            <code value="boolean"/>
         </type>
         <type>
            <code value="code"/>
         </type>
         <type>
            <code value="date"/>
         </type>
         <type>
            <code value="dateTime"/>
         </type>
         <type>
            <code value="decimal"/>
         </type>
         <type>
            <code value="id"/>
         </type>
         <type>
            <code value="instant"/>
         </type>
         <type>
            <code value="integer"/>
         </type>
         <type>
            <code value="markdown"/>
         </type>
         <type>
            <code value="oid"/>
         </type>
         <type>
            <code value="positiveInt"/>
         </type>
         <type>
            <code value="string"/>
         </type>
         <type>
            <code value="time"/>
         </type>
         <type>
            <code value="unsignedInt"/>
         </type>
         <type>
            <code value="uri"/>
         </type>
         <type>
            <code value="Address"/>
         </type>
         <type>
            <code value="Age"/>
         </type>
         <type>
            <code value="Annotation"/>
         </type>
         <type>
            <code value="Attachment"/>
         </type>
         <type>
            <code value="CodeableConcept"/>
         </type>
         <type>
            <code value="Coding"/>
         </type>
         <type>
            <code value="ContactPoint"/>
         </type>
         <type>
            <code value="Count"/>
         </type>
         <type>
            <code value="Distance"/>
         </type>
         <type>
            <code value="Duration"/>
         </type>
         <type>
            <code value="HumanName"/>
         </type>
         <type>
            <code value="Identifier"/>
         </type>
         <type>
            <code value="Money"/>
         </type>
         <type>
            <code value="Period"/>
         </type>
         <type>
            <code value="Quantity"/>
         </type>
         <type>
            <code value="Range"/>
         </type>
         <type>
            <code value="Ratio"/>
         </type>
         <type>
            <code value="Reference"/>
         </type>
         <type>
            <code value="SampledData"/>
         </type>
         <type>
            <code value="Signature"/>
         </type>
         <type>
            <code value="Timing"/>
         </type>
         <type>
            <code value="Meta"/>
         </type>
         <condition value="ele-1"/>
         <constraint>
            <key value="ele-1"/>
            <severity value="error"/>
            <human value="All FHIR elements must have a @value or children"/>
            <expression value="hasValue() | (children().count() > id.count())"/>
            <xpath value="@value|f:*|h:div"/>
         </constraint>
         <mapping>
            <identity value="rim"/>
            <map value="n/a"/>
         </mapping>
         <mapping>
            <identity value="rim"/>
            <map value="N/A"/>
         </mapping>
      </element>
      <element id="ProcedureRequest.code.coding:snomedCT.system">
         <path value="ProcedureRequest.code.coding.system"/>
         <short value="Identity of the terminology system"/>
         <definition value="The identification of the code system that defines the meaning of the symbol in the code."/>
         <comment value="The URI may be an OID (urn:oid:...) or a UUID (urn:uuid:...).  OIDs and UUIDs SHALL be references to the HL7 OID registry. Otherwise, the URI should come from HL7's list of FHIR defined special URIs or it should de-reference to some definition that establish the system clearly and unambiguously."/>
         <requirements value="Need to be unambiguous about the source of the definition of the symbol."/>
         <min value="1"/>
         <max value="1"/>
         <base>
            <path value="Coding.system"/>
            <min value="0"/>
            <max value="1"/>
         </base>
         <type>
            <code value="uri"/>
         </type>
         <fixedUri value="http://snomed.info/sct"/>
         <condition value="ele-1"/>
         <constraint>
            <key value="ele-1"/>
            <severity value="error"/>
            <human value="All FHIR elements must have a @value or children"/>
            <expression value="hasValue() | (children().count() > id.count())"/>
            <xpath value="@value|f:*|h:div"/>
         </constraint>
         <isSummary value="true"/>
         <mapping>
            <identity value="rim"/>
            <map value="n/a"/>
         </mapping>
         <mapping>
            <identity value="v2"/>
            <map value="C*E.3"/>
         </mapping>
         <mapping>
            <identity value="rim"/>
            <map value="./codeSystem"/>
         </mapping>
         <mapping>
            <identity value="orim"/>
            <map value="fhir:Coding.system rdfs:subPropertyOf dt:CDCoding.codeSystem"/>
         </mapping>
      </element>
      <element id="ProcedureRequest.code.coding:snomedCT.version">
         <path value="ProcedureRequest.code.coding.version"/>
         <short value="Version of the system - if relevant"/>
         <definition value="The version of the code system which was used when choosing this code. Note that a well-maintained code system does not need the version reported, because the meaning of codes is consistent across versions. However this cannot consistently be assured. and when the meaning is not guaranteed to be consistent, the version SHOULD be exchanged."/>
         <comment value="Where the terminology does not clearly define what string should be used to identify code system versions, the recommendation is to use the date (expressed in FHIR date format) on which that version was officially published as the version date."/>
         <min value="0"/>
         <max value="0"/>
         <base>
            <path value="Coding.version"/>
            <min value="0"/>
            <max value="1"/>
         </base>
         <type>
            <code value="string"/>
         </type>
         <condition value="ele-1"/>
         <constraint>
            <key value="ele-1"/>
            <severity value="error"/>
            <human value="All FHIR elements must have a @value or children"/>
            <expression value="hasValue() | (children().count() > id.count())"/>
            <xpath value="@value|f:*|h:div"/>
         </constraint>
         <isSummary value="true"/>
         <mapping>
            <identity value="rim"/>
            <map value="n/a"/>
         </mapping>
         <mapping>
            <identity value="v2"/>
            <map value="C*E.7"/>
         </mapping>
         <mapping>
            <identity value="rim"/>
            <map value="./codeSystemVersion"/>
         </mapping>
         <mapping>
            <identity value="orim"/>
            <map value="fhir:Coding.version rdfs:subPropertyOf dt:CDCoding.codeSystemVersion"/>
         </mapping>
      </element>
      <element id="ProcedureRequest.code.coding:snomedCT.code">
         <path value="ProcedureRequest.code.coding.code"/>
         <short value="Symbol in syntax defined by the system"/>
         <definition value="A symbol in syntax defined by the system. The symbol may be a predefined code or an expression in a syntax defined by the coding system (e.g. post-coordination)."/>
         <comment value="Note that FHIR strings may not exceed 1MB in size"/>
         <requirements value="Need to refer to a particular code in the system."/>
         <min value="1"/>
         <max value="1"/>
         <base>
            <path value="Coding.code"/>
            <min value="0"/>
            <max value="1"/>
         </base>
         <type>
            <code value="code"/>
         </type>
         <condition value="ele-1"/>
         <constraint>
            <key value="ele-1"/>
            <severity value="error"/>
            <human value="All FHIR elements must have a @value or children"/>
            <expression value="hasValue() | (children().count() > id.count())"/>
            <xpath value="@value|f:*|h:div"/>
         </constraint>
         <isSummary value="true"/>
         <mapping>
            <identity value="rim"/>
            <map value="n/a"/>
         </mapping>
         <mapping>
            <identity value="v2"/>
            <map value="C*E.1"/>
         </mapping>
         <mapping>
            <identity value="rim"/>
            <map value="./code"/>
         </mapping>
         <mapping>
            <identity value="orim"/>
            <map value="fhir:Coding.code rdfs:subPropertyOf dt:CDCoding.code"/>
         </mapping>
      </element>
      <element id="ProcedureRequest.code.coding:snomedCT.display">
         <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-translatable">
            <valueBoolean value="true"/>
         </extension>
         <path value="ProcedureRequest.code.coding.display"/>
         <short value="Representation defined by the system"/>
         <definition value="A representation of the meaning of the code in the system, following the rules of the system."/>
         <comment value="Note that FHIR strings may not exceed 1MB in size"/>
         <requirements value="Need to be able to carry a human-readable meaning of the code for readers that do not know  the system."/>
         <min value="1"/>
         <max value="1"/>
         <base>
            <path value="Coding.display"/>
            <min value="0"/>
            <max value="1"/>
         </base>
         <type>
            <code value="string"/>
         </type>
         <condition value="ele-1"/>
         <constraint>
            <key value="ele-1"/>
            <severity value="error"/>
            <human value="All FHIR elements must have a @value or children"/>
            <expression value="hasValue() | (children().count() > id.count())"/>
            <xpath value="@value|f:*|h:div"/>
         </constraint>
         <isSummary value="true"/>
         <mapping>
            <identity value="rim"/>
            <map value="n/a"/>
         </mapping>
         <mapping>
            <identity value="v2"/>
            <map value="C*E.2 - but note this is not well followed"/>
         </mapping>
         <mapping>
            <identity value="rim"/>
            <map value="CV.displayName"/>
         </mapping>
         <mapping>
            <identity value="orim"/>
            <map value="fhir:Coding.display rdfs:subPropertyOf dt:CDCoding.displayName"/>
         </mapping>
      </element>
      <element id="ProcedureRequest.code.coding:snomedCT.userSelected">
         <path value="ProcedureRequest.code.coding.userSelected"/>
         <short value="If this coding was chosen directly by the user"/>
         <definition value="Indicates that this coding was chosen by a user directly - i.e. off a pick list of available items (codes or displays)."/>
         <comment value="Amongst a set of alternatives, a directly chosen code is the most appropriate starting point for new translations. There is some ambiguity about what exactly 'directly chosen' implies, and trading partner agreement may be needed to clarify the use of this element and its consequences more completely."/>
         <requirements value="This has been identified as a clinical safety criterium - that this exact system/code pair was chosen explicitly, rather than inferred by the system based on some rules or language processing."/>
         <min value="0"/>
         <max value="1"/>
         <base>
            <path value="Coding.userSelected"/>
            <min value="0"/>
            <max value="1"/>
         </base>
         <type>
            <code value="boolean"/>
         </type>
         <condition value="ele-1"/>
         <constraint>
            <key value="ele-1"/>
            <severity value="error"/>
            <human value="All FHIR elements must have a @value or children"/>
            <expression value="hasValue() | (children().count() > id.count())"/>
            <xpath value="@value|f:*|h:div"/>
         </constraint>
         <isSummary value="true"/>
         <mapping>
            <identity value="rim"/>
            <map value="n/a"/>
         </mapping>
         <mapping>
            <identity value="v2"/>
            <map value="Sometimes implied by being first"/>
         </mapping>
         <mapping>
            <identity value="rim"/>
            <map value="CD.codingRationale"/>
         </mapping>
         <mapping>
            <identity value="orim"/>
            <map value="fhir:Coding.userSelected fhir:mapsTo dt:CDCoding.codingRationale. fhir:Coding.userSelected fhir:hasMap fhir:Coding.userSelected.map. fhir:Coding.userSelected.map a fhir:Map;   fhir:target dt:CDCoding.codingRationale. fhir:Coding.userSelected\#true a [     fhir:source "true";     fhir:target dt:CDCoding.codingRationale\#O   ]"/>
         </mapping>
      </element>
      <element id="ProcedureRequest.code.text">
         <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-translatable">
            <valueBoolean value="true"/>
         </extension>
         <path value="ProcedureRequest.code.text"/>
         <short value="Plain text representation of the concept"/>
         <definition value="A human language representation of the concept as seen/selected/uttered by the user who entered the data and/or which represents the intended meaning of the user."/>
         <comment value="Very often the text is the same as a displayName of one of the codings."/>
         <requirements value="The codes from the terminologies do not always capture the correct meaning with all the nuances of the human using them, or sometimes there is no appropriate code at all. In these cases, the text is used to capture the full meaning of the source."/>
         <min value="0"/>
         <max value="1"/>
         <base>
            <path value="CodeableConcept.text"/>
            <min value="0"/>
            <max value="1"/>
         </base>
         <type>
            <code value="string"/>
         </type>
         <condition value="ele-1"/>
         <constraint>
            <key value="ele-1"/>
            <severity value="error"/>
            <human value="All FHIR elements must have a @value or children"/>
            <expression value="hasValue() | (children().count() > id.count())"/>
            <xpath value="@value|f:*|h:div"/>
         </constraint>
         <isSummary value="true"/>
         <mapping>
            <identity value="rim"/>
            <map value="n/a"/>
         </mapping>
         <mapping>
            <identity value="v2"/>
            <map value="C*E.9. But note many systems use C*E.2 for this"/>
         </mapping>
         <mapping>
            <identity value="rim"/>
            <map value="./originalText[mediaType/code="text/plain"]/data"/>
         </mapping>
         <mapping>
            <identity value="orim"/>
            <map value="fhir:CodeableConcept.text rdfs:subPropertyOf dt:CD.originalText"/>
         </mapping>
      </element>
      <element id="ProcedureRequest.subject">
         <path value="ProcedureRequest.subject"/>
         <short value="A reference to the Patient that the ProcedureRequest is about."/>
         <definition value="On whom or what the procedure or diagnostic is to be performed. This is usually a human patient, but can also be requested on animals, groups of humans or animals, devices such as dialysis machines, or even locations (typically for environmental scans)."/>
         <comment value="References SHALL be a reference to an actual FHIR resource, and SHALL be resolveable (allowing for access control, temporary unavailability, etc). Resolution can be either by retrieval from the URL, or, where applicable by resource type, by treating an absolute reference as a canonical URL and looking it up in a local registry/repository."/>
         <min value="1"/>
         <max value="1"/>
         <base>
            <path value="ProcedureRequest.subject"/>
            <min value="1"/>
            <max value="1"/>
         </base>
         <type>
            <code value="Reference"/>
            <targetProfile value="http://hl7.org/fhir/StructureDefinition/Device"/>
         </type>
         <type>
            <code value="Reference"/>
            <targetProfile value="https://fhir.nhs.uk/STU3/StructureDefinition/CareConnect-GPC-Patient-1"/>
         </type>
         <type>
            <code value="Reference"/>
            <targetProfile value="https://fhir.nhs.uk/STU3/StructureDefinition/CareConnect-GPC-Location-1"/>
         </type>
         <condition value="ele-1"/>
         <constraint>
            <key value="ele-1"/>
            <severity value="error"/>
            <human value="All FHIR elements must have a @value or children"/>
            <expression value="hasValue() | (children().count() > id.count())"/>
            <xpath value="@value|f:*|h:div"/>
         </constraint>
         <constraint>
            <key value="ref-1"/>
            <severity value="error"/>
            <human value="SHALL have a contained resource if a local reference is provided"/>
            <expression value="reference.startsWith('#').not() or (reference.substring(1).trace('url') in %resource.contained.id.trace('ids'))"/>
            <xpath value="not(starts-with(f:reference/@value, '#')) or exists(ancestor::*[self::f:entry or self::f:parameter]/f:resource/f:*/f:contained/f:*[f:id/@value=substring-after(current()/f:reference/@value, '#')]|/*/f:contained/f:*[f:id/@value=substring-after(current()/f:reference/@value, '#')])"/>
         </constraint>
         <isSummary value="true"/>
         <mapping>
            <identity value="rim"/>
            <map value="n/a"/>
         </mapping>
         <mapping>
            <identity value="rim"/>
            <map value="The target of a resource reference is a RIM entry point (Act, Role, or Entity)"/>
         </mapping>
         <mapping>
            <identity value="workflow"/>
            <map value="Request.subject"/>
         </mapping>
         <mapping>
            <identity value="v2"/>
            <map value="Accompanying PID segment"/>
         </mapping>
         <mapping>
            <identity value="rim"/>
            <map value=".participation[typeCode=SBJ].role"/>
         </mapping>
         <mapping>
            <identity value="quick"/>
            <map value="ClinicalStatement.subject"/>
         </mapping>
         <mapping>
            <identity value="w5"/>
            <map value="who.focus"/>
         </mapping>
      </element>
      <element id="ProcedureRequest.context">
         <path value="ProcedureRequest.context"/>
         <short value="Encounter or Episode during which request was created"/>
         <definition value="An encounter or episode of care that provides additional information about the healthcare context in which this request is made."/>
         <comment value="References SHALL be a reference to an actual FHIR resource, and SHALL be resolveable (allowing for access control, temporary unavailability, etc). Resolution can be either by retrieval from the URL, or, where applicable by resource type, by treating an absolute reference as a canonical URL and looking it up in a local registry/repository."/>
         <alias value="encounter"/>
         <min value="0"/>
         <max value="1"/>
         <base>
            <path value="ProcedureRequest.context"/>
            <min value="0"/>
            <max value="1"/>
         </base>
         <type>
            <code value="Reference"/>
            <targetProfile value="https://fhir.hl7.org.uk/STU3/StructureDefinition/CareConnect-EpisodeOfCare-1"/>
         </type>
         <type>
            <code value="Reference"/>
            <targetProfile value="https://fhir.nhs.uk/STU3/StructureDefinition/CareConnect-GPC-Encounter-1"/>
         </type>
         <condition value="ele-1"/>
         <constraint>
            <key value="ele-1"/>
            <severity value="error"/>
            <human value="All FHIR elements must have a @value or children"/>
            <expression value="hasValue() | (children().count() > id.count())"/>
            <xpath value="@value|f:*|h:div"/>
         </constraint>
         <constraint>
            <key value="ref-1"/>
            <severity value="error"/>
            <human value="SHALL have a contained resource if a local reference is provided"/>
            <expression value="reference.startsWith('#').not() or (reference.substring(1).trace('url') in %resource.contained.id.trace('ids'))"/>
            <xpath value="not(starts-with(f:reference/@value, '#')) or exists(ancestor::*[self::f:entry or self::f:parameter]/f:resource/f:*/f:contained/f:*[f:id/@value=substring-after(current()/f:reference/@value, '#')]|/*/f:contained/f:*[f:id/@value=substring-after(current()/f:reference/@value, '#')])"/>
         </constraint>
         <isSummary value="true"/>
         <mapping>
            <identity value="rim"/>
            <map value="n/a"/>
         </mapping>
         <mapping>
            <identity value="rim"/>
            <map value="The target of a resource reference is a RIM entry point (Act, Role, or Entity)"/>
         </mapping>
         <mapping>
            <identity value="workflow"/>
            <map value="Request.context"/>
         </mapping>
         <mapping>
            <identity value="v2"/>
            <map value="Accompanying PV1"/>
         </mapping>
         <mapping>
            <identity value="rim"/>
            <map value=".inboundRelationship(typeCode=COMP].source[classCode<=PCPR, moodCode=EVN]"/>
         </mapping>
         <mapping>
            <identity value="quick"/>
            <map value="ClinicalStatement.encounter"/>
         </mapping>
         <mapping>
            <identity value="w5"/>
            <map value="context"/>
         </mapping>
      </element>
      <element id="ProcedureRequest.occurrence[x]">
         <path value="ProcedureRequest.occurrence[x]"/>
         <short value="When procedure should occur"/>
         <definition value="The date/time at which the diagnostic testing should occur."/>
         <alias value="schedule"/>
         <min value="0"/>
         <max value="1"/>
         <base>
            <path value="ProcedureRequest.occurrence[x]"/>
            <min value="0"/>
            <max value="1"/>
         </base>
         <type>
            <code value="dateTime"/>
         </type>
         <type>
            <code value="Period"/>
         </type>
         <type>
            <code value="Timing"/>
         </type>
         <condition value="ele-1"/>
         <constraint>
            <key value="ele-1"/>
            <severity value="error"/>
            <human value="All FHIR elements must have a @value or children"/>
            <expression value="hasValue() | (children().count() > id.count())"/>
            <xpath value="@value|f:*|h:div"/>
         </constraint>
         <isSummary value="true"/>
         <mapping>
            <identity value="rim"/>
            <map value="n/a"/>
         </mapping>
         <mapping>
            <identity value="workflow"/>
            <map value="Request.occurrence[x]"/>
         </mapping>
         <mapping>
            <identity value="v2"/>
            <map value="Accompanying TQ1/TQ2 segments"/>
         </mapping>
         <mapping>
            <identity value="rim"/>
            <map value=".effectiveTime"/>
         </mapping>
         <mapping>
            <identity value="quick"/>
            <map value="Procedure.procedureSchedule"/>
         </mapping>
         <mapping>
            <identity value="w5"/>
            <map value="when.planned"/>
         </mapping>
      </element>
      <element id="ProcedureRequest.asNeeded[x]">
         <path value="ProcedureRequest.asNeeded[x]"/>
         <short value="Preconditions for procedure or diagnostic"/>
         <definition value="If a CodeableConcept is present, it indicates the pre-condition for performing the procedure.  For example "pain", "on flare-up", etc."/>
         <min value="0"/>
         <max value="1"/>
         <base>
            <path value="ProcedureRequest.asNeeded[x]"/>
            <min value="0"/>
            <max value="1"/>
         </base>
         <type>
            <code value="boolean"/>
         </type>
         <type>
            <code value="CodeableConcept"/>
         </type>
         <condition value="ele-1"/>
         <constraint>
            <key value="ele-1"/>
            <severity value="error"/>
            <human value="All FHIR elements must have a @value or children"/>
            <expression value="hasValue() | (children().count() > id.count())"/>
            <xpath value="@value|f:*|h:div"/>
         </constraint>
         <isSummary value="true"/>
         <binding>
            <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName">
               <valueString value="ProcedureAsNeededReason"/>
            </extension>
            <strength value="example"/>
            <description value="A coded concept identifying the pre-condition that should hold prior to performing a procedure.  For example "pain", "on flare-up", etc."/>
            <valueSetReference>
               <reference value="http://hl7.org/fhir/ValueSet/medication-as-needed-reason"/>
            </valueSetReference>
         </binding>
         <mapping>
            <identity value="rim"/>
            <map value="n/a"/>
         </mapping>
         <mapping>
            <identity value="rim"/>
            <map value="boolean: precondition.negationInd (inversed - so negationInd = true means asNeeded=false CodeableConcept: precondition.observationEventCriterion[code="Assertion"].value"/>
         </mapping>
         <mapping>
            <identity value="quick"/>
            <map value="Proposal.prnReason.reason"/>
         </mapping>
      </element>
      <element id="ProcedureRequest.authoredOn">
         <path value="ProcedureRequest.authoredOn"/>
         <short value="Date request signed"/>
         <definition value="When the request transitioned to being actionable."/>
         <alias value="orderedOn"/>
         <min value="0"/>
         <max value="1"/>
         <base>
            <path value="ProcedureRequest.authoredOn"/>
            <min value="0"/>
            <max value="1"/>
         </base>
         <type>
            <code value="dateTime"/>
         </type>
         <condition value="ele-1"/>
         <constraint>
            <key value="ele-1"/>
            <severity value="error"/>
            <human value="All FHIR elements must have a @value or children"/>
            <expression value="hasValue() | (children().count() > id.count())"/>
            <xpath value="@value|f:*|h:div"/>
         </constraint>
         <isSummary value="true"/>
         <mapping>
            <identity value="rim"/>
            <map value="n/a"/>
         </mapping>
         <mapping>
            <identity value="workflow"/>
            <map value="Request.authoredOn"/>
         </mapping>
         <mapping>
            <identity value="v2"/>
            <map value="ORC.9"/>
         </mapping>
         <mapping>
            <identity value="rim"/>
            <map value=".participation[typeCode=AUT].time"/>
         </mapping>
         <mapping>
            <identity value="quick"/>
            <map value="Proposal.proposedAtTime"/>
         </mapping>
         <mapping>
            <identity value="w5"/>
            <map value="when.recorded"/>
         </mapping>
      </element>
      <element id="ProcedureRequest.requester">
         <path value="ProcedureRequest.requester"/>
         <short value="Reference to the resource for the practitioner or organization that created the ProcedureRequest."/>
         <definition value="The individual who initiated the request and has responsibility for its activation."/>
         <comment value="This not the dispatcher, but rather who is the authorizer."/>
         <alias value="author"/>
         <alias value="orderer"/>
         <min value="0"/>
         <max value="1"/>
         <base>
            <path value="ProcedureRequest.requester"/>
            <min value="0"/>
            <max value="1"/>
         </base>
         <type>
            <code value="BackboneElement"/>
         </type>
         <condition value="ele-1"/>
         <constraint>
            <key value="ele-1"/>
            <severity value="error"/>
            <human value="All FHIR elements must have a @value or children"/>
            <expression value="hasValue() | (children().count() > id.count())"/>
            <xpath value="@value|f:*|h:div"/>
         </constraint>
         <mustSupport value="true"/>
         <isSummary value="true"/>
         <mapping>
            <identity value="rim"/>
            <map value="n/a"/>
         </mapping>
         <mapping>
            <identity value="workflow"/>
            <map value="Request.requester"/>
         </mapping>
         <mapping>
            <identity value="v2"/>
            <map value="ORC.12"/>
         </mapping>
         <mapping>
            <identity value="rim"/>
            <map value=".participation[typeCode=AUT].role"/>
         </mapping>
         <mapping>
            <identity value="quick"/>
            <map value="ClinicalStatement.statementAuthor"/>
         </mapping>
      </element>
      <element id="ProcedureRequest.requester.id">
         <path value="ProcedureRequest.requester.id"/>
         <representation value="xmlAttr"/>
         <short value="xml:id (or equivalent in JSON)"/>
         <definition value="unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces."/>
         <comment value="Note that FHIR strings may not exceed 1MB in size"/>
         <min value="0"/>
         <max value="1"/>
         <base>
            <path value="Element.id"/>
            <min value="0"/>
            <max value="1"/>
         </base>
         <type>
            <code value="string"/>
         </type>
         <condition value="ele-1"/>
         <constraint>
            <key value="ele-1"/>
            <severity value="error"/>
            <human value="All FHIR elements must have a @value or children"/>
            <expression value="hasValue() | (children().count() > id.count())"/>
            <xpath value="@value|f:*|h:div"/>
         </constraint>
         <mapping>
            <identity value="rim"/>
            <map value="n/a"/>
         </mapping>
      </element>
      <element id="ProcedureRequest.requester.extension">
         <path value="ProcedureRequest.requester.extension"/>
         <slicing>
            <discriminator>
               <type value="value"/>
               <path value="url"/>
            </discriminator>
            <description value="Extensions are always sliced by (at least) url"/>
            <rules value="open"/>
         </slicing>
         <short value="Additional Content defined by implementations"/>
         <definition value="May be used to represent additional information that is not part of the basic definition of the element. In order to make the use of extensions safe and manageable, there is a strict set of governance  applied to the definition and use of extensions. Though any implementer is allowed to define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension."/>
         <comment value="There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone."/>
         <alias value="extensions"/>
         <alias value="user content"/>
         <min value="0"/>
         <max value="*"/>
         <base>
            <path value="Element.extension"/>
            <min value="0"/>
            <max value="*"/>
         </base>
         <type>
            <code value="Extension"/>
         </type>
         <condition value="ele-1"/>
         <constraint>
            <key value="ele-1"/>
            <severity value="error"/>
            <human value="All FHIR elements must have a @value or children"/>
            <expression value="hasValue() | (children().count() > id.count())"/>
            <xpath value="@value|f:*|h:div"/>
         </constraint>
         <constraint>
            <key value="ext-1"/>
            <severity value="error"/>
            <human value="Must have either extensions or value[x], not both"/>
            <expression value="extension.exists() != value.exists()"/>
            <xpath value="exists(f:extension)!=exists(f:*[starts-with(local-name(.), 'value')])"/>
         </constraint>
         <mapping>
            <identity value="rim"/>
            <map value="n/a"/>
         </mapping>
         <mapping>
            <identity value="rim"/>
            <map value="N/A"/>
         </mapping>
      </element>
      <element id="ProcedureRequest.requester.modifierExtension">
         <path value="ProcedureRequest.requester.modifierExtension"/>
         <short value="Extensions that cannot be ignored"/>
         <definition value="May be used to represent additional information that is not part of the basic definition of the element, and that modifies the understanding of the element that contains it. Usually modifier elements provide negation or qualification. In order to make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer is allowed to define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions."/>
         <comment value="There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone."/>
         <alias value="extensions"/>
         <alias value="user content"/>
         <alias value="modifiers"/>
         <min value="0"/>
         <max value="*"/>
         <base>
            <path value="BackboneElement.modifierExtension"/>
            <min value="0"/>
            <max value="*"/>
         </base>
         <type>
            <code value="Extension"/>
         </type>
         <condition value="ele-1"/>
         <constraint>
            <key value="ele-1"/>
            <severity value="error"/>
            <human value="All FHIR elements must have a @value or children"/>
            <expression value="hasValue() | (children().count() > id.count())"/>
            <xpath value="@value|f:*|h:div"/>
         </constraint>
         <constraint>
            <key value="ext-1"/>
            <severity value="error"/>
            <human value="Must have either extensions or value[x], not both"/>
            <expression value="extension.exists() != value.exists()"/>
            <xpath value="exists(f:extension)!=exists(f:*[starts-with(local-name(.), 'value')])"/>
         </constraint>
         <isModifier value="true"/>
         <isSummary value="true"/>
         <mapping>
            <identity value="rim"/>
            <map value="n/a"/>
         </mapping>
         <mapping>
            <identity value="rim"/>
            <map value="N/A"/>
         </mapping>
      </element>
      <element id="ProcedureRequest.requester.agent">
         <path value="ProcedureRequest.requester.agent"/>
         <short value="Individual making the request"/>
         <definition value="The device, practitioner or organization who initiated the request."/>
         <comment value="References SHALL be a reference to an actual FHIR resource, and SHALL be resolveable (allowing for access control, temporary unavailability, etc). Resolution can be either by retrieval from the URL, or, where applicable by resource type, by treating an absolute reference as a canonical URL and looking it up in a local registry/repository."/>
         <min value="1"/>
         <max value="1"/>
         <base>
            <path value="ProcedureRequest.requester.agent"/>
            <min value="1"/>
            <max value="1"/>
         </base>
         <type>
            <code value="Reference"/>
            <targetProfile value="http://hl7.org/fhir/StructureDefinition/Device"/>
         </type>
         <type>
            <code value="Reference"/>
            <targetProfile value="https://fhir.nhs.uk/STU3/StructureDefinition/CareConnect-GPC-Organization-1"/>
         </type>
         <type>
            <code value="Reference"/>
            <targetProfile value="https://fhir.nhs.uk/STU3/StructureDefinition/CareConnect-GPC-Practitioner-1"/>
         </type>
         <condition value="ele-1"/>
         <constraint>
            <key value="ele-1"/>
            <severity value="error"/>
            <human value="All FHIR elements must have a @value or children"/>
            <expression value="hasValue() | (children().count() > id.count())"/>
            <xpath value="@value|f:*|h:div"/>
         </constraint>
         <constraint>
            <key value="ref-1"/>
            <severity value="error"/>
            <human value="SHALL have a contained resource if a local reference is provided"/>
            <expression value="reference.startsWith('#').not() or (reference.substring(1).trace('url') in %resource.contained.id.trace('ids'))"/>
            <xpath value="not(starts-with(f:reference/@value, '#')) or exists(ancestor::*[self::f:entry or self::f:parameter]/f:resource/f:*/f:contained/f:*[f:id/@value=substring-after(current()/f:reference/@value, '#')]|/*/f:contained/f:*[f:id/@value=substring-after(current()/f:reference/@value, '#')])"/>
         </constraint>
         <isSummary value="true"/>
         <mapping>
            <identity value="rim"/>
            <map value="n/a"/>
         </mapping>
         <mapping>
            <identity value="rim"/>
            <map value="The target of a resource reference is a RIM entry point (Act, Role, or Entity)"/>
         </mapping>
         <mapping>
            <identity value="workflow"/>
            <map value="Request.requester.agent"/>
         </mapping>
         <mapping>
            <identity value="v2"/>
            <map value="ORC.12"/>
         </mapping>
         <mapping>
            <identity value="rim"/>
            <map value=".player"/>
         </mapping>
         <mapping>
            <identity value="quick"/>
            <map value="ClinicalStatement.statementAuthor"/>
         </mapping>
         <mapping>
            <identity value="w5"/>
            <map value="who.author"/>
         </mapping>
      </element>
      <element id="ProcedureRequest.requester.onBehalfOf">
         <path value="ProcedureRequest.requester.onBehalfOf"/>
         <short value="Organization agent is acting for"/>
         <definition value="The organization the device or practitioner was acting on behalf of."/>
         <comment value="References SHALL be a reference to an actual FHIR resource, and SHALL be resolveable (allowing for access control, temporary unavailability, etc). Resolution can be either by retrieval from the URL, or, where applicable by resource type, by treating an absolute reference as a canonical URL and looking it up in a local registry/repository."/>
         <requirements value="Practitioners and Devices can be associated with multiple organizations.  This element indicates which organization they were acting on behalf of when authoring the request."/>
         <min value="0"/>
         <max value="1"/>
         <base>
            <path value="ProcedureRequest.requester.onBehalfOf"/>
            <min value="0"/>
            <max value="1"/>
         </base>
         <type>
            <code value="Reference"/>
            <targetProfile value="https://fhir.nhs.uk/STU3/StructureDefinition/CareConnect-GPC-Organization-1"/>
         </type>
         <condition value="ele-1"/>
         <constraint>
            <key value="ele-1"/>
            <severity value="error"/>
            <human value="All FHIR elements must have a @value or children"/>
            <expression value="hasValue() | (children().count() > id.count())"/>
            <xpath value="@value|f:*|h:div"/>
         </constraint>
         <constraint>
            <key value="ref-1"/>
            <severity value="error"/>
            <human value="SHALL have a contained resource if a local reference is provided"/>
            <expression value="reference.startsWith('#').not() or (reference.substring(1).trace('url') in %resource.contained.id.trace('ids'))"/>
            <xpath value="not(starts-with(f:reference/@value, '#')) or exists(ancestor::*[self::f:entry or self::f:parameter]/f:resource/f:*/f:contained/f:*[f:id/@value=substring-after(current()/f:reference/@value, '#')]|/*/f:contained/f:*[f:id/@value=substring-after(current()/f:reference/@value, '#')])"/>
         </constraint>
         <isSummary value="true"/>
         <mapping>
            <identity value="rim"/>
            <map value="n/a"/>
         </mapping>
         <mapping>
            <identity value="rim"/>
            <map value="The target of a resource reference is a RIM entry point (Act, Role, or Entity)"/>
         </mapping>
         <mapping>
            <identity value="workflow"/>
            <map value="Request.requester.onBehalfOf"/>
         </mapping>
         <mapping>
            <identity value="v2"/>
            <map value="N/A"/>
         </mapping>
         <mapping>
            <identity value="rim"/>
            <map value=".scoper"/>
         </mapping>
      </element>
      <element id="ProcedureRequest.performerType">
         <path value="ProcedureRequest.performerType"/>
         <short value="Performer role"/>
         <definition value="Desired type of performer for doing the diagnostic testing."/>
         <comment value="this is a  role, not  a participation type.  I.e. does not describe the task, but describes the capacity.  For example, “compounding pharmacy” or “psychiatrist” or “internal referral”."/>
         <min value="0"/>
         <max value="1"/>
         <base>
            <path value="ProcedureRequest.performerType"/>
            <min value="0"/>
            <max value="1"/>
         </base>
         <type>
            <code value="CodeableConcept"/>
         </type>
         <condition value="ele-1"/>
         <constraint>
            <key value="ele-1"/>
            <severity value="error"/>
            <human value="All FHIR elements must have a @value or children"/>
            <expression value="hasValue() | (children().count() > id.count())"/>
            <xpath value="@value|f:*|h:div"/>
         </constraint>
         <isSummary value="true"/>
         <binding>
            <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName">
               <valueString value="ProcedureRequestParticipantRole"/>
            </extension>
            <strength value="example"/>
            <description value="Indicates specific responsibility of an individual within the care team, such as "Primary physician", "Team coordinator", "Caregiver", etc."/>
            <valueSetReference>
               <reference value="http://hl7.org/fhir/ValueSet/participant-role"/>
            </valueSetReference>
         </binding>
         <mapping>
            <identity value="rim"/>
            <map value="n/a"/>
         </mapping>
         <mapping>
            <identity value="v2"/>
            <map value="CE/CNE/CWE"/>
         </mapping>
         <mapping>
            <identity value="rim"/>
            <map value="CD"/>
         </mapping>
         <mapping>
            <identity value="orim"/>
            <map value="fhir:CodeableConcept rdfs:subClassOf dt:CD"/>
         </mapping>
         <mapping>
            <identity value="workflow"/>
            <map value="Request.performerType"/>
         </mapping>
         <mapping>
            <identity value="v2"/>
            <map value="PRT"/>
         </mapping>
         <mapping>
            <identity value="rim"/>
            <map value=".participation[typeCode=PRF].role[scoper.determinerCode=KIND].code"/>
         </mapping>
         <mapping>
            <identity value="w5"/>
            <map value="who.actor"/>
         </mapping>
      </element>
      <element id="ProcedureRequest.performer">
         <path value="ProcedureRequest.performer"/>
         <short value="Reference to the resource for the practitioner or organization that is requested to perform this request the ProcedureRequest."/>
         <definition value="The desired perfomer for doing the diagnostic testing.  For example, the surgeon, dermatopathologist, endoscopist, etc."/>
         <comment value="If needed, use an [extension](extensibility.html) for listing alternative performers and/or roles and/or preference."/>
         <min value="0"/>
         <max value="1"/>
         <base>
            <path value="ProcedureRequest.performer"/>
            <min value="0"/>
            <max value="1"/>
         </base>
         <type>
            <code value="Reference"/>
            <targetProfile value="https://fhir.nhs.uk/STU3/StructureDefinition/CareConnect-GPC-Organization-1"/>
         </type>
         <type>
            <code value="Reference"/>
            <targetProfile value="https://fhir.nhs.uk/STU3/StructureDefinition/CareConnect-GPC-Practitioner-1"/>
         </type>
         <condition value="ele-1"/>
         <constraint>
            <key value="ele-1"/>
            <severity value="error"/>
            <human value="All FHIR elements must have a @value or children"/>
            <expression value="hasValue() | (children().count() > id.count())"/>
            <xpath value="@value|f:*|h:div"/>
         </constraint>
         <constraint>
            <key value="ref-1"/>
            <severity value="error"/>
            <human value="SHALL have a contained resource if a local reference is provided"/>
            <expression value="reference.startsWith('#').not() or (reference.substring(1).trace('url') in %resource.contained.id.trace('ids'))"/>
            <xpath value="not(starts-with(f:reference/@value, '#')) or exists(ancestor::*[self::f:entry or self::f:parameter]/f:resource/f:*/f:contained/f:*[f:id/@value=substring-after(current()/f:reference/@value, '#')]|/*/f:contained/f:*[f:id/@value=substring-after(current()/f:reference/@value, '#')])"/>
         </constraint>
         <mustSupport value="true"/>
         <isSummary value="true"/>
         <mapping>
            <identity value="rim"/>
            <map value="n/a"/>
         </mapping>
         <mapping>
            <identity value="rim"/>
            <map value="The target of a resource reference is a RIM entry point (Act, Role, or Entity)"/>
         </mapping>
         <mapping>
            <identity value="workflow"/>
            <map value="Request.Performer"/>
         </mapping>
         <mapping>
            <identity value="v2"/>
            <map value="PRT"/>
         </mapping>
         <mapping>
            <identity value="rim"/>
            <map value=".participation[typeCode=PRF].role[scoper.determinerCode=INSTANCE]"/>
         </mapping>
         <mapping>
            <identity value="w5"/>
            <map value="who.actor"/>
         </mapping>
      </element>
      <element id="ProcedureRequest.reasonCode">
         <path value="ProcedureRequest.reasonCode"/>
         <short value="An explanation or justification for why this diagnostic investigation is being requested in coded or textual form."/>
         <definition value="An explanation or justification for why this diagnostic investigation is being requested in coded or textual form.   This is often for billing purposes.  May relate to the resources referred to in supportingInformation."/>
         <comment value="This may be used to decide how the diagnostic investigation will be performed, or even if it will be performed at all.   Use CodeableConcept text element if the data is free (uncoded) text as shown in the [CT Scan example](procedurerequest-example-di.html)."/>
         <min value="0"/>
         <max value="*"/>
         <base>
            <path value="ProcedureRequest.reasonCode"/>
            <min value="0"/>
            <max value="*"/>
         </base>
         <type>
            <code value="CodeableConcept"/>
         </type>
         <condition value="ele-1"/>
         <constraint>
            <key value="ele-1"/>
            <severity value="error"/>
            <human value="All FHIR elements must have a @value or children"/>
            <expression value="hasValue() | (children().count() > id.count())"/>
            <xpath value="@value|f:*|h:div"/>
         </constraint>
         <mustSupport value="true"/>
         <isSummary value="true"/>
         <binding>
            <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName">
               <valueString value="ProcedureRequestReason"/>
            </extension>
            <strength value="example"/>
            <description value="Diagnosis or problem codes justifying the reason for requesting the procedure or diagnostic investigation."/>
            <valueSetReference>
               <reference value="http://hl7.org/fhir/ValueSet/procedure-reason"/>
            </valueSetReference>
         </binding>
         <mapping>
            <identity value="rim"/>
            <map value="n/a"/>
         </mapping>
         <mapping>
            <identity value="v2"/>
            <map value="CE/CNE/CWE"/>
         </mapping>
         <mapping>
            <identity value="rim"/>
            <map value="CD"/>
         </mapping>
         <mapping>
            <identity value="orim"/>
            <map value="fhir:CodeableConcept rdfs:subClassOf dt:CD"/>
         </mapping>
         <mapping>
            <identity value="workflow"/>
            <map value="Request.reasonCod"/>
         </mapping>
         <mapping>
            <identity value="v2"/>
            <map value="ORC.16"/>
         </mapping>
         <mapping>
            <identity value="rim"/>
            <map value=".reasonCode"/>
         </mapping>
         <mapping>
            <identity value="w5"/>
            <map value="why"/>
         </mapping>
      </element>
      <element id="ProcedureRequest.reasonCode.id">
         <path value="ProcedureRequest.reasonCode.id"/>
         <representation value="xmlAttr"/>
         <short value="xml:id (or equivalent in JSON)"/>
         <definition value="unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces."/>
         <comment value="Note that FHIR strings may not exceed 1MB in size"/>
         <min value="0"/>
         <max value="1"/>
         <base>
            <path value="Element.id"/>
            <min value="0"/>
            <max value="1"/>
         </base>
         <type>
            <code value="string"/>
         </type>
         <condition value="ele-1"/>
         <constraint>
            <key value="ele-1"/>
            <severity value="error"/>
            <human value="All FHIR elements must have a @value or children"/>
            <expression value="hasValue() | (children().count() > id.count())"/>
            <xpath value="@value|f:*|h:div"/>
         </constraint>
         <mapping>
            <identity value="rim"/>
            <map value="n/a"/>
         </mapping>
      </element>
      <element id="ProcedureRequest.reasonCode.extension">
         <path value="ProcedureRequest.reasonCode.extension"/>
         <slicing>
            <discriminator>
               <type value="value"/>
               <path value="url"/>
            </discriminator>
            <description value="Extensions are always sliced by (at least) url"/>
            <rules value="open"/>
         </slicing>
         <short value="Additional Content defined by implementations"/>
         <definition value="May be used to represent additional information that is not part of the basic definition of the element. In order to make the use of extensions safe and manageable, there is a strict set of governance  applied to the definition and use of extensions. Though any implementer is allowed to define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension."/>
         <comment value="There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone."/>
         <alias value="extensions"/>
         <alias value="user content"/>
         <min value="0"/>
         <max value="*"/>
         <base>
            <path value="Element.extension"/>
            <min value="0"/>
            <max value="*"/>
         </base>
         <type>
            <code value="Extension"/>
         </type>
         <condition value="ele-1"/>
         <constraint>
            <key value="ele-1"/>
            <severity value="error"/>
            <human value="All FHIR elements must have a @value or children"/>
            <expression value="hasValue() | (children().count() > id.count())"/>
            <xpath value="@value|f:*|h:div"/>
         </constraint>
         <constraint>
            <key value="ext-1"/>
            <severity value="error"/>
            <human value="Must have either extensions or value[x], not both"/>
            <expression value="extension.exists() != value.exists()"/>
            <xpath value="exists(f:extension)!=exists(f:*[starts-with(local-name(.), 'value')])"/>
         </constraint>
         <mapping>
            <identity value="rim"/>
            <map value="n/a"/>
         </mapping>
         <mapping>
            <identity value="rim"/>
            <map value="N/A"/>
         </mapping>
      </element>
      <element id="ProcedureRequest.reasonCode.coding">
         <path value="ProcedureRequest.reasonCode.coding"/>
         <slicing>
            <discriminator>
               <type value="value"/>
               <path value="system"/>
            </discriminator>
            <rules value="open"/>
         </slicing>
         <short value="Code defined by a terminology system"/>
         <definition value="A reference to a code defined by a terminology system."/>
         <comment value="Codes may be defined very casually in enumerations, or code lists, up to very formal definitions such as SNOMED CT - see the HL7 v3 Core Principles for more information.  Ordering of codings is undefined and SHALL NOT be used to infer meaning. Generally, at most only one of the coding values will be labeled as UserSelected = true."/>
         <requirements value="Allows for translations and alternate encodings within a code system.  Also supports communication of the same instance to systems requiring different encodings."/>
         <min value="0"/>
         <max value="*"/>
         <base>
            <path value="CodeableConcept.coding"/>
            <min value="0"/>
            <max value="*"/>
         </base>
         <type>
            <code value="Coding"/>
         </type>
         <condition value="ele-1"/>
         <constraint>
            <key value="ele-1"/>
            <severity value="error"/>
            <human value="All FHIR elements must have a @value or children"/>
            <expression value="hasValue() | (children().count() > id.count())"/>
            <xpath value="@value|f:*|h:div"/>
         </constraint>
         <isSummary value="true"/>
         <mapping>
            <identity value="rim"/>
            <map value="n/a"/>
         </mapping>
         <mapping>
            <identity value="v2"/>
            <map value="CE/CNE/CWE subset one of the sets of component 1-3 or 4-6"/>
         </mapping>
         <mapping>
            <identity value="rim"/>
            <map value="CV"/>
         </mapping>
         <mapping>
            <identity value="orim"/>
            <map value="fhir:Coding rdfs:subClassOf dt:CDCoding"/>
         </mapping>
         <mapping>
            <identity value="v2"/>
            <map value="C*E.1-8, C*E.10-22"/>
         </mapping>
         <mapping>
            <identity value="rim"/>
            <map value="union(., ./translation)"/>
         </mapping>
         <mapping>
            <identity value="orim"/>
            <map value="fhir:CodeableConcept.coding rdfs:subPropertyOf dt:CD.coding"/>
         </mapping>
      </element>
      <element id="ProcedureRequest.reasonCode.coding:snomedCT">
         <path value="ProcedureRequest.reasonCode.coding"/>
         <sliceName value="snomedCT"/>
         <short value="Code defined by a terminology system"/>
         <definition value="A reference to a code defined by a terminology system."/>
         <comment value="Codes may be defined very casually in enumerations, or code lists, up to very formal definitions such as SNOMED CT - see the HL7 v3 Core Principles for more information.  Ordering of codings is undefined and SHALL NOT be used to infer meaning. Generally, at most only one of the coding values will be labeled as UserSelected = true."/>
         <requirements value="Allows for translations and alternate encodings within a code system.  Also supports communication of the same instance to systems requiring different encodings."/>
         <min value="0"/>
         <max value="*"/>
         <base>
            <path value="CodeableConcept.coding"/>
            <min value="0"/>
            <max value="*"/>
         </base>
         <type>
            <code value="Coding"/>
         </type>
         <condition value="ele-1"/>
         <constraint>
            <key value="ele-1"/>
            <severity value="error"/>
            <human value="All FHIR elements must have a @value or children"/>
            <expression value="hasValue() | (children().count() > id.count())"/>
            <xpath value="@value|f:*|h:div"/>
         </constraint>
         <isSummary value="true"/>
         <mapping>
            <identity value="rim"/>
            <map value="n/a"/>
         </mapping>
         <mapping>
            <identity value="v2"/>
            <map value="CE/CNE/CWE subset one of the sets of component 1-3 or 4-6"/>
         </mapping>
         <mapping>
            <identity value="rim"/>
            <map value="CV"/>
         </mapping>
         <mapping>
            <identity value="orim"/>
            <map value="fhir:Coding rdfs:subClassOf dt:CDCoding"/>
         </mapping>
         <mapping>
            <identity value="v2"/>
            <map value="C*E.1-8, C*E.10-22"/>
         </mapping>
         <mapping>
            <identity value="rim"/>
            <map value="union(., ./translation)"/>
         </mapping>
         <mapping>
            <identity value="orim"/>
            <map value="fhir:CodeableConcept.coding rdfs:subPropertyOf dt:CD.coding"/>
         </mapping>
      </element>
      <element id="ProcedureRequest.reasonCode.coding:snomedCT.id">
         <path value="ProcedureRequest.reasonCode.coding.id"/>
         <representation value="xmlAttr"/>
         <short value="xml:id (or equivalent in JSON)"/>
         <definition value="unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces."/>
         <comment value="Note that FHIR strings may not exceed 1MB in size"/>
         <min value="0"/>
         <max value="1"/>
         <base>
            <path value="Element.id"/>
            <min value="0"/>
            <max value="1"/>
         </base>
         <type>
            <code value="string"/>
         </type>
         <condition value="ele-1"/>
         <constraint>
            <key value="ele-1"/>
            <severity value="error"/>
            <human value="All FHIR elements must have a @value or children"/>
            <expression value="hasValue() | (children().count() > id.count())"/>
            <xpath value="@value|f:*|h:div"/>
         </constraint>
         <mapping>
            <identity value="rim"/>
            <map value="n/a"/>
         </mapping>
      </element>
      <element id="ProcedureRequest.reasonCode.coding:snomedCT.extension">
         <path value="ProcedureRequest.reasonCode.coding.extension"/>
         <slicing>
            <discriminator>
               <type value="value"/>
               <path value="url"/>
            </discriminator>
            <description value="Extensions are always sliced by (at least) url"/>
            <rules value="open"/>
         </slicing>
         <short value="Additional Content defined by implementations"/>
         <definition value="May be used to represent additional information that is not part of the basic definition of the element. In order to make the use of extensions safe and manageable, there is a strict set of governance  applied to the definition and use of extensions. Though any implementer is allowed to define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension."/>
         <comment value="There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone."/>
         <alias value="extensions"/>
         <alias value="user content"/>
         <min value="0"/>
         <max value="*"/>
         <base>
            <path value="Element.extension"/>
            <min value="0"/>
            <max value="*"/>
         </base>
         <type>
            <code value="Extension"/>
         </type>
         <condition value="ele-1"/>
         <constraint>
            <key value="ele-1"/>
            <severity value="error"/>
            <human value="All FHIR elements must have a @value or children"/>
            <expression value="hasValue() | (children().count() > id.count())"/>
            <xpath value="@value|f:*|h:div"/>
         </constraint>
         <constraint>
            <key value="ext-1"/>
            <severity value="error"/>
            <human value="Must have either extensions or value[x], not both"/>
            <expression value="extension.exists() != value.exists()"/>
            <xpath value="exists(f:extension)!=exists(f:*[starts-with(local-name(.), 'value')])"/>
         </constraint>
         <mapping>
            <identity value="rim"/>
            <map value="n/a"/>
         </mapping>
         <mapping>
            <identity value="rim"/>
            <map value="N/A"/>
         </mapping>
      </element>
      <element id="ProcedureRequest.reasonCode.coding:snomedCT.extension:snomedCTDescriptionID">
         <path value="ProcedureRequest.reasonCode.coding.extension"/>
         <sliceName value="snomedCTDescriptionID"/>
         <short value="The SNOMED CT Description ID for the display"/>
         <definition value="The SNOMED CT Description ID for the display."/>
         <comment value="There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone."/>
         <alias value="extensions"/>
         <alias value="user content"/>
         <min value="0"/>
         <max value="1"/>
         <base>
            <path value="Element.extension"/>
            <min value="0"/>
            <max value="*"/>
         </base>
         <type>
            <code value="Extension"/>
            <profile value="https://fhir.hl7.org.uk/STU3/StructureDefinition/Extension-coding-sctdescid"/>
         </type>
         <condition value="ele-1"/>
         <constraint>
            <key value="ele-1"/>
            <severity value="error"/>
            <human value="All FHIR elements must have a @value or children"/>
            <expression value="hasValue() | (children().count() > id.count())"/>
            <xpath value="@value|f:*|h:div"/>
         </constraint>
         <constraint>
            <key value="ext-1"/>
            <severity value="error"/>
            <human value="Must have either extensions or value[x], not both"/>
            <expression value="extension.exists() != value.exists()"/>
            <xpath value="exists(f:extension)!=exists(f:*[starts-with(local-name(.), 'value')])"/>
         </constraint>
         <mapping>
            <identity value="rim"/>
            <map value="n/a"/>
         </mapping>
         <mapping>
            <identity value="rim"/>
            <map value="N/A"/>
         </mapping>
      </element>
      <element id="ProcedureRequest.reasonCode.coding:snomedCT.extension:snomedCTDescriptionID.id">
         <path value="ProcedureRequest.reasonCode.coding.extension.id"/>
         <representation value="xmlAttr"/>
         <short value="xml:id (or equivalent in JSON)"/>
         <definition value="unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces."/>
         <comment value="Note that FHIR strings may not exceed 1MB in size"/>
         <min value="0"/>
         <max value="1"/>
         <base>
            <path value="Element.id"/>
            <min value="0"/>
            <max value="1"/>
         </base>
         <type>
            <code value="string"/>
         </type>
         <condition value="ele-1"/>
         <constraint>
            <key value="ele-1"/>
            <severity value="error"/>
            <human value="All FHIR elements must have a @value or children"/>
            <expression value="hasValue() | (children().count() > id.count())"/>
            <xpath value="@value|f:*|h:div"/>
         </constraint>
         <mapping>
            <identity value="rim"/>
            <map value="n/a"/>
         </mapping>
      </element>
      <element id="ProcedureRequest.reasonCode.coding:snomedCT.extension:snomedCTDescriptionID.extension">
         <path value="ProcedureRequest.reasonCode.coding.extension.extension"/>
         <slicing>
            <discriminator>
               <type value="value"/>
               <path value="url"/>
            </discriminator>
            <description value="Extensions are always sliced by (at least) url"/>
            <rules value="open"/>
         </slicing>
         <short value="Additional Content defined by implementations"/>
         <definition value="May be used to represent additional information that is not part of the basic definition of the element. In order to make the use of extensions safe and manageable, there is a strict set of governance  applied to the definition and use of extensions. Though any implementer is allowed to define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension."/>
         <comment value="There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone."/>
         <alias value="extensions"/>
         <alias value="user content"/>
         <min value="0"/>
         <max value="*"/>
         <base>
            <path value="Element.extension"/>
            <min value="0"/>
            <max value="*"/>
         </base>
         <type>
            <code value="Extension"/>
         </type>
         <condition value="ele-1"/>
         <constraint>
            <key value="ele-1"/>
            <severity value="error"/>
            <human value="All FHIR elements must have a @value or children"/>
            <expression value="hasValue() | (children().count() > id.count())"/>
            <xpath value="@value|f:*|h:div"/>
         </constraint>
         <constraint>
            <key value="ext-1"/>
            <severity value="error"/>
            <human value="Must have either extensions or value[x], not both"/>
            <expression value="extension.exists() != value.exists()"/>
            <xpath value="exists(f:extension)!=exists(f:*[starts-with(local-name(.), 'value')])"/>
         </constraint>
         <mapping>
            <identity value="rim"/>
            <map value="n/a"/>
         </mapping>
         <mapping>
            <identity value="rim"/>
            <map value="N/A"/>
         </mapping>
      </element>
      <element id="ProcedureRequest.reasonCode.coding:snomedCT.extension:snomedCTDescriptionID.url">
         <path value="ProcedureRequest.reasonCode.coding.extension.url"/>
         <representation value="xmlAttr"/>
         <short value="identifies the meaning of the extension"/>
         <definition value="Source of the definition for the extension code - a logical name or a URL."/>
         <comment value="The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension."/>
         <min value="1"/>
         <max value="1"/>
         <base>
            <path value="Extension.url"/>
            <min value="1"/>
            <max value="1"/>
         </base>
         <type>
            <code value="uri"/>
         </type>
         <fixedUri value="https://fhir.hl7.org.uk/STU3/StructureDefinition/Extension-coding-sctdescid"/>
         <condition value="ele-1"/>
         <constraint>
            <key value="ele-1"/>
            <severity value="error"/>
            <human value="All FHIR elements must have a @value or children"/>
            <expression value="hasValue() | (children().count() > id.count())"/>
            <xpath value="@value|f:*|h:div"/>
         </constraint>
         <mapping>
            <identity value="rim"/>
            <map value="n/a"/>
         </mapping>
         <mapping>
            <identity value="rim"/>
            <map value="N/A"/>
         </mapping>
      </element>
      <element id="ProcedureRequest.reasonCode.coding:snomedCT.extension:snomedCTDescriptionID.value[x]">
         <path value="ProcedureRequest.reasonCode.coding.extension.value[x]"/>
         <short value="Value of extension"/>
         <definition value="Value of extension - may be a resource or one of a constrained set of the data types (see Extensibility in the spec for list)."/>
         <comment value="A stream of bytes, base64 encoded"/>
         <min value="0"/>
         <max value="1"/>
         <base>
            <path value="Extension.value[x]"/>
            <min value="0"/>
            <max value="1"/>
         </base>
         <type>
            <code value="base64Binary"/>
         </type>
         <type>
            <code value="boolean"/>
         </type>
         <type>
            <code value="code"/>
         </type>
         <type>
            <code value="date"/>
         </type>
         <type>
            <code value="dateTime"/>
         </type>
         <type>
            <code value="decimal"/>
         </type>
         <type>
            <code value="id"/>
         </type>
         <type>
            <code value="instant"/>
         </type>
         <type>
            <code value="integer"/>
         </type>
         <type>
            <code value="markdown"/>
         </type>
         <type>
            <code value="oid"/>
         </type>
         <type>
            <code value="positiveInt"/>
         </type>
         <type>
            <code value="string"/>
         </type>
         <type>
            <code value="time"/>
         </type>
         <type>
            <code value="unsignedInt"/>
         </type>
         <type>
            <code value="uri"/>
         </type>
         <type>
            <code value="Address"/>
         </type>
         <type>
            <code value="Age"/>
         </type>
         <type>
            <code value="Annotation"/>
         </type>
         <type>
            <code value="Attachment"/>
         </type>
         <type>
            <code value="CodeableConcept"/>
         </type>
         <type>
            <code value="Coding"/>
         </type>
         <type>
            <code value="ContactPoint"/>
         </type>
         <type>
            <code value="Count"/>
         </type>
         <type>
            <code value="Distance"/>
         </type>
         <type>
            <code value="Duration"/>
         </type>
         <type>
            <code value="HumanName"/>
         </type>
         <type>
            <code value="Identifier"/>
         </type>
         <type>
            <code value="Money"/>
         </type>
         <type>
            <code value="Period"/>
         </type>
         <type>
            <code value="Quantity"/>
         </type>
         <type>
            <code value="Range"/>
         </type>
         <type>
            <code value="Ratio"/>
         </type>
         <type>
            <code value="Reference"/>
         </type>
         <type>
            <code value="SampledData"/>
         </type>
         <type>
            <code value="Signature"/>
         </type>
         <type>
            <code value="Timing"/>
         </type>
         <type>
            <code value="Meta"/>
         </type>
         <condition value="ele-1"/>
         <constraint>
            <key value="ele-1"/>
            <severity value="error"/>
            <human value="All FHIR elements must have a @value or children"/>
            <expression value="hasValue() | (children().count() > id.count())"/>
            <xpath value="@value|f:*|h:div"/>
         </constraint>
         <mapping>
            <identity value="rim"/>
            <map value="n/a"/>
         </mapping>
         <mapping>
            <identity value="rim"/>
            <map value="N/A"/>
         </mapping>
      </element>
      <element id="ProcedureRequest.reasonCode.coding:snomedCT.system">
         <path value="ProcedureRequest.reasonCode.coding.system"/>
         <short value="Identity of the terminology system"/>
         <definition value="The identification of the code system that defines the meaning of the symbol in the code."/>
         <comment value="The URI may be an OID (urn:oid:...) or a UUID (urn:uuid:...).  OIDs and UUIDs SHALL be references to the HL7 OID registry. Otherwise, the URI should come from HL7's list of FHIR defined special URIs or it should de-reference to some definition that establish the system clearly and unambiguously."/>
         <requirements value="Need to be unambiguous about the source of the definition of the symbol."/>
         <min value="1"/>
         <max value="1"/>
         <base>
            <path value="Coding.system"/>
            <min value="0"/>
            <max value="1"/>
         </base>
         <type>
            <code value="uri"/>
         </type>
         <fixedUri value="http://snomed.info/sct"/>
         <condition value="ele-1"/>
         <constraint>
            <key value="ele-1"/>
            <severity value="error"/>
            <human value="All FHIR elements must have a @value or children"/>
            <expression value="hasValue() | (children().count() > id.count())"/>
            <xpath value="@value|f:*|h:div"/>
         </constraint>
         <isSummary value="true"/>
         <mapping>
            <identity value="rim"/>
            <map value="n/a"/>
         </mapping>
         <mapping>
            <identity value="v2"/>
            <map value="C*E.3"/>
         </mapping>
         <mapping>
            <identity value="rim"/>
            <map value="./codeSystem"/>
         </mapping>
         <mapping>
            <identity value="orim"/>
            <map value="fhir:Coding.system rdfs:subPropertyOf dt:CDCoding.codeSystem"/>
         </mapping>
      </element>
      <element id="ProcedureRequest.reasonCode.coding:snomedCT.version">
         <path value="ProcedureRequest.reasonCode.coding.version"/>
         <short value="Version of the system - if relevant"/>
         <definition value="The version of the code system which was used when choosing this code. Note that a well-maintained code system does not need the version reported, because the meaning of codes is consistent across versions. However this cannot consistently be assured. and when the meaning is not guaranteed to be consistent, the version SHOULD be exchanged."/>
         <comment value="Where the terminology does not clearly define what string should be used to identify code system versions, the recommendation is to use the date (expressed in FHIR date format) on which that version was officially published as the version date."/>
         <min value="0"/>
         <max value="0"/>
         <base>
            <path value="Coding.version"/>
            <min value="0"/>
            <max value="1"/>
         </base>
         <type>
            <code value="string"/>
         </type>
         <condition value="ele-1"/>
         <constraint>
            <key value="ele-1"/>
            <severity value="error"/>
            <human value="All FHIR elements must have a @value or children"/>
            <expression value="hasValue() | (children().count() > id.count())"/>
            <xpath value="@value|f:*|h:div"/>
         </constraint>
         <isSummary value="true"/>
         <mapping>
            <identity value="rim"/>
            <map value="n/a"/>
         </mapping>
         <mapping>
            <identity value="v2"/>
            <map value="C*E.7"/>
         </mapping>
         <mapping>
            <identity value="rim"/>
            <map value="./codeSystemVersion"/>
         </mapping>
         <mapping>
            <identity value="orim"/>
            <map value="fhir:Coding.version rdfs:subPropertyOf dt:CDCoding.codeSystemVersion"/>
         </mapping>
      </element>
      <element id="ProcedureRequest.reasonCode.coding:snomedCT.code">
         <path value="ProcedureRequest.reasonCode.coding.code"/>
         <short value="Symbol in syntax defined by the system"/>
         <definition value="A symbol in syntax defined by the system. The symbol may be a predefined code or an expression in a syntax defined by the coding system (e.g. post-coordination)."/>
         <comment value="Note that FHIR strings may not exceed 1MB in size"/>
         <requirements value="Need to refer to a particular code in the system."/>
         <min value="1"/>
         <max value="1"/>
         <base>
            <path value="Coding.code"/>
            <min value="0"/>
            <max value="1"/>
         </base>
         <type>
            <code value="code"/>
         </type>
         <condition value="ele-1"/>
         <constraint>
            <key value="ele-1"/>
            <severity value="error"/>
            <human value="All FHIR elements must have a @value or children"/>
            <expression value="hasValue() | (children().count() > id.count())"/>
            <xpath value="@value|f:*|h:div"/>
         </constraint>
         <isSummary value="true"/>
         <mapping>
            <identity value="rim"/>
            <map value="n/a"/>
         </mapping>
         <mapping>
            <identity value="v2"/>
            <map value="C*E.1"/>
         </mapping>
         <mapping>
            <identity value="rim"/>
            <map value="./code"/>
         </mapping>
         <mapping>
            <identity value="orim"/>
            <map value="fhir:Coding.code rdfs:subPropertyOf dt:CDCoding.code"/>
         </mapping>
      </element>
      <element id="ProcedureRequest.reasonCode.coding:snomedCT.display">
         <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-translatable">
            <valueBoolean value="true"/>
         </extension>
         <path value="ProcedureRequest.reasonCode.coding.display"/>
         <short value="Representation defined by the system"/>
         <definition value="A representation of the meaning of the code in the system, following the rules of the system."/>
         <comment value="Note that FHIR strings may not exceed 1MB in size"/>
         <requirements value="Need to be able to carry a human-readable meaning of the code for readers that do not know  the system."/>
         <min value="1"/>
         <max value="1"/>
         <base>
            <path value="Coding.display"/>
            <min value="0"/>
            <max value="1"/>
         </base>
         <type>
            <code value="string"/>
         </type>
         <condition value="ele-1"/>
         <constraint>
            <key value="ele-1"/>
            <severity value="error"/>
            <human value="All FHIR elements must have a @value or children"/>
            <expression value="hasValue() | (children().count() > id.count())"/>
            <xpath value="@value|f:*|h:div"/>
         </constraint>
         <isSummary value="true"/>
         <mapping>
            <identity value="rim"/>
            <map value="n/a"/>
         </mapping>
         <mapping>
            <identity value="v2"/>
            <map value="C*E.2 - but note this is not well followed"/>
         </mapping>
         <mapping>
            <identity value="rim"/>
            <map value="CV.displayName"/>
         </mapping>
         <mapping>
            <identity value="orim"/>
            <map value="fhir:Coding.display rdfs:subPropertyOf dt:CDCoding.displayName"/>
         </mapping>
      </element>
      <element id="ProcedureRequest.reasonCode.coding:snomedCT.userSelected">
         <path value="ProcedureRequest.reasonCode.coding.userSelected"/>
         <short value="If this coding was chosen directly by the user"/>
         <definition value="Indicates that this coding was chosen by a user directly - i.e. off a pick list of available items (codes or displays)."/>
         <comment value="Amongst a set of alternatives, a directly chosen code is the most appropriate starting point for new translations. There is some ambiguity about what exactly 'directly chosen' implies, and trading partner agreement may be needed to clarify the use of this element and its consequences more completely."/>
         <requirements value="This has been identified as a clinical safety criterium - that this exact system/code pair was chosen explicitly, rather than inferred by the system based on some rules or language processing."/>
         <min value="0"/>
         <max value="1"/>
         <base>
            <path value="Coding.userSelected"/>
            <min value="0"/>
            <max value="1"/>
         </base>
         <type>
            <code value="boolean"/>
         </type>
         <condition value="ele-1"/>
         <constraint>
            <key value="ele-1"/>
            <severity value="error"/>
            <human value="All FHIR elements must have a @value or children"/>
            <expression value="hasValue() | (children().count() > id.count())"/>
            <xpath value="@value|f:*|h:div"/>
         </constraint>
         <isSummary value="true"/>
         <mapping>
            <identity value="rim"/>
            <map value="n/a"/>
         </mapping>
         <mapping>
            <identity value="v2"/>
            <map value="Sometimes implied by being first"/>
         </mapping>
         <mapping>
            <identity value="rim"/>
            <map value="CD.codingRationale"/>
         </mapping>
         <mapping>
            <identity value="orim"/>
            <map value="fhir:Coding.userSelected fhir:mapsTo dt:CDCoding.codingRationale. fhir:Coding.userSelected fhir:hasMap fhir:Coding.userSelected.map. fhir:Coding.userSelected.map a fhir:Map;   fhir:target dt:CDCoding.codingRationale. fhir:Coding.userSelected\#true a [     fhir:source "true";     fhir:target dt:CDCoding.codingRationale\#O   ]"/>
         </mapping>
      </element>
      <element id="ProcedureRequest.reasonCode.text">
         <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-translatable">
            <valueBoolean value="true"/>
         </extension>
         <path value="ProcedureRequest.reasonCode.text"/>
         <short value="Plain text representation of the concept"/>
         <definition value="A human language representation of the concept as seen/selected/uttered by the user who entered the data and/or which represents the intended meaning of the user."/>
         <comment value="Very often the text is the same as a displayName of one of the codings."/>
         <requirements value="The codes from the terminologies do not always capture the correct meaning with all the nuances of the human using them, or sometimes there is no appropriate code at all. In these cases, the text is used to capture the full meaning of the source."/>
         <min value="0"/>
         <max value="1"/>
         <base>
            <path value="CodeableConcept.text"/>
            <min value="0"/>
            <max value="1"/>
         </base>
         <type>
            <code value="string"/>
         </type>
         <condition value="ele-1"/>
         <constraint>
            <key value="ele-1"/>
            <severity value="error"/>
            <human value="All FHIR elements must have a @value or children"/>
            <expression value="hasValue() | (children().count() > id.count())"/>
            <xpath value="@value|f:*|h:div"/>
         </constraint>
         <isSummary value="true"/>
         <mapping>
            <identity value="rim"/>
            <map value="n/a"/>
         </mapping>
         <mapping>
            <identity value="v2"/>
            <map value="C*E.9. But note many systems use C*E.2 for this"/>
         </mapping>
         <mapping>
            <identity value="rim"/>
            <map value="./originalText[mediaType/code="text/plain"]/data"/>
         </mapping>
         <mapping>
            <identity value="orim"/>
            <map value="fhir:CodeableConcept.text rdfs:subPropertyOf dt:CD.originalText"/>
         </mapping>
      </element>
      <element id="ProcedureRequest.reasonReference">
         <path value="ProcedureRequest.reasonReference"/>
         <short value="A reference to any conditions the patient has that are supplied by the requesting health care professional due to their relevance to the test request."/>
         <definition value="Indicates another resource that provides a justification for why this diagnostic investigation is being requested.   May relate to the resources referred to in supportingInformation."/>
         <comment value="This may be used to decide how the diagnostic investigation will be performed, or even if it will be performed at all.   Use CodeableConcept text element if the data is free (uncoded) text as shown in the [CT Scan example](procedurerequest-example-di.html)."/>
         <min value="0"/>
         <max value="*"/>
         <base>
            <path value="ProcedureRequest.reasonReference"/>
            <min value="0"/>
            <max value="*"/>
         </base>
         <type>
            <code value="Reference"/>
            <targetProfile value="https://fhir.nhs.uk/STU3/StructureDefinition/CareConnect-GPC-Condition-1"/>
         </type>
         <type>
            <code value="Reference"/>
            <targetProfile value="https://fhir.nhs.uk/STU3/StructureDefinition/CareConnect-GPC-Observation-1"/>
         </type>
         <condition value="ele-1"/>
         <constraint>
            <key value="ele-1"/>
            <severity value="error"/>
            <human value="All FHIR elements must have a @value or children"/>
            <expression value="hasValue() | (children().count() > id.count())"/>
            <xpath value="@value|f:*|h:div"/>
         </constraint>
         <constraint>
            <key value="ref-1"/>
            <severity value="error"/>
            <human value="SHALL have a contained resource if a local reference is provided"/>
            <expression value="reference.startsWith('#').not() or (reference.substring(1).trace('url') in %resource.contained.id.trace('ids'))"/>
            <xpath value="not(starts-with(f:reference/@value, '#')) or exists(ancestor::*[self::f:entry or self::f:parameter]/f:resource/f:*/f:contained/f:*[f:id/@value=substring-after(current()/f:reference/@value, '#')]|/*/f:contained/f:*[f:id/@value=substring-after(current()/f:reference/@value, '#')])"/>
         </constraint>
         <mustSupport value="true"/>
         <isSummary value="true"/>
         <mapping>
            <identity value="rim"/>
            <map value="n/a"/>
         </mapping>
         <mapping>
            <identity value="rim"/>
            <map value="The target of a resource reference is a RIM entry point (Act, Role, or Entity)"/>
         </mapping>
         <mapping>
            <identity value="workflow"/>
            <map value="Request.reasonReference"/>
         </mapping>
         <mapping>
            <identity value="v2"/>
            <map value="ORC.16"/>
         </mapping>
         <mapping>
            <identity value="rim"/>
            <map value=".outboundRelationship[typeCode=RSON].target"/>
         </mapping>
         <mapping>
            <identity value="w5"/>
            <map value="why"/>
         </mapping>
      </element>
      <element id="ProcedureRequest.supportingInfo">
         <path value="ProcedureRequest.supportingInfo"/>
         <short value="Additional clinical information"/>
         <definition value="Additional clinical information about the patient or specimen that may influence the procedure or diagnostics or their interpretations.     This information includes diagnosis, clinical findings and other observations.  In laboratory ordering these are typically referred to as "ask at order entry questions (AOEs)".  This includes observations explicitly requested by the producer (filler) to provide context or supporting information needed to complete the order. For example,  reporting the amount of inspired oxygen for blood gas measurements."/>
         <comment value="References SHALL be a reference to an actual FHIR resource, and SHALL be resolveable (allowing for access control, temporary unavailability, etc). Resolution can be either by retrieval from the URL, or, where applicable by resource type, by treating an absolute reference as a canonical URL and looking it up in a local registry/repository."/>
         <alias value="Ask at order entry question"/>
         <alias value="AOE"/>
         <min value="0"/>
         <max value="*"/>
         <base>
            <path value="ProcedureRequest.supportingInfo"/>
            <min value="0"/>
            <max value="*"/>
         </base>
         <type>
            <code value="Reference"/>
            <targetProfile value="https://fhir.nhs.uk/STU3/StructureDefinition/CareConnect-GPC-Observation-1"/>
         </type>
         <condition value="ele-1"/>
         <constraint>
            <key value="ele-1"/>
            <severity value="error"/>
            <human value="All FHIR elements must have a @value or children"/>
            <expression value="hasValue() | (children().count() > id.count())"/>
            <xpath value="@value|f:*|h:div"/>
         </constraint>
         <constraint>
            <key value="ref-1"/>
            <severity value="error"/>
            <human value="SHALL have a contained resource if a local reference is provided"/>
            <expression value="reference.startsWith('#').not() or (reference.substring(1).trace('url') in %resource.contained.id.trace('ids'))"/>
            <xpath value="not(starts-with(f:reference/@value, '#')) or exists(ancestor::*[self::f:entry or self::f:parameter]/f:resource/f:*/f:contained/f:*[f:id/@value=substring-after(current()/f:reference/@value, '#')]|/*/f:contained/f:*[f:id/@value=substring-after(current()/f:reference/@value, '#')])"/>
         </constraint>
         <mapping>
            <identity value="rim"/>
            <map value="n/a"/>
         </mapping>
         <mapping>
            <identity value="rim"/>
            <map value="The target of a resource reference is a RIM entry point (Act, Role, or Entity)"/>
         </mapping>
         <mapping>
            <identity value="workflow"/>
            <map value="Request.supportingInformation"/>
         </mapping>
         <mapping>
            <identity value="v2"/>
            <map value="Accompanying segments"/>
         </mapping>
         <mapping>
            <identity value="rim"/>
            <map value=".outboundRelationship[typeCode=PERT].target"/>
         </mapping>
      </element>
      <element id="ProcedureRequest.specimen">
         <path value="ProcedureRequest.specimen"/>
         <short value="Procedure Samples"/>
         <definition value="One or more specimens that the laboratory procedure will use."/>
         <comment value="Many diagnostic procedures need a specimen, but the request itself is not actually about the specimen. This element is for when the diagnostic is requested on already existing specimens and the request points to the specimen it applies to.    Conversely, If the request is entered first with an unknown specimen, The [Specimen](specimen.html) resource references to the ProcedureRequest."/>
         <min value="0"/>
         <max value="*"/>
         <base>
            <path value="ProcedureRequest.specimen"/>
            <min value="0"/>
            <max value="*"/>
         </base>
         <type>
            <code value="Reference"/>
            <targetProfile value="https://fhir.nhs.uk/STU3/StructureDefinition/CareConnect-GPC-Specimen-1"/>
         </type>
         <condition value="ele-1"/>
         <constraint>
            <key value="ele-1"/>
            <severity value="error"/>
            <human value="All FHIR elements must have a @value or children"/>
            <expression value="hasValue() | (children().count() > id.count())"/>
            <xpath value="@value|f:*|h:div"/>
         </constraint>
         <constraint>
            <key value="ref-1"/>
            <severity value="error"/>
            <human value="SHALL have a contained resource if a local reference is provided"/>
            <expression value="reference.startsWith('#').not() or (reference.substring(1).trace('url') in %resource.contained.id.trace('ids'))"/>
            <xpath value="not(starts-with(f:reference/@value, '#')) or exists(ancestor::*[self::f:entry or self::f:parameter]/f:resource/f:*/f:contained/f:*[f:id/@value=substring-after(current()/f:reference/@value, '#')]|/*/f:contained/f:*[f:id/@value=substring-after(current()/f:reference/@value, '#')])"/>
         </constraint>
         <isSummary value="true"/>
         <mapping>
            <identity value="rim"/>
            <map value="n/a"/>
         </mapping>
         <mapping>
            <identity value="rim"/>
            <map value="The target of a resource reference is a RIM entry point (Act, Role, or Entity)"/>
         </mapping>
         <mapping>
            <identity value="v2"/>
            <map value="SPM"/>
         </mapping>
         <mapping>
            <identity value="rim"/>
            <map value=".participation[typeCode=SPC].role"/>
         </mapping>
      </element>
      <element id="ProcedureRequest.bodySite">
         <path value="ProcedureRequest.bodySite"/>
         <short value="Location on Body"/>
         <definition value="Anatomic location where the procedure should be performed. This is the target site."/>
         <comment value="Only used if not implicit in the code found in ProcedureRequest.type.  If the use case requires BodySite to be handled as a separate resource instead of an inline coded element (e.g. to identify and track separately)  then use the standard extension [procedurerequest-targetBodySite](extension-procedurerequest-targetbodysite.html)."/>
         <requirements value="Knowing where the procedure is performed is important for tracking if multiple sites are possible."/>
         <alias value="location"/>
         <min value="0"/>
         <max value="*"/>
         <base>
            <path value="ProcedureRequest.bodySite"/>
            <min value="0"/>
            <max value="*"/>
         </base>
         <type>
            <code value="CodeableConcept"/>
         </type>
         <condition value="ele-1"/>
         <constraint>
            <key value="ele-1"/>
            <severity value="error"/>
            <human value="All FHIR elements must have a @value or children"/>
            <expression value="hasValue() | (children().count() > id.count())"/>
            <xpath value="@value|f:*|h:div"/>
         </constraint>
         <isSummary value="true"/>
         <binding>
            <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName">
               <valueString value="BodySite"/>
            </extension>
            <strength value="example"/>
            <description value="Codes describing anatomical locations. May include laterality."/>
            <valueSetReference>
               <reference value="http://hl7.org/fhir/ValueSet/body-site"/>
            </valueSetReference>
         </binding>
         <mapping>
            <identity value="rim"/>
            <map value="n/a"/>
         </mapping>
         <mapping>
            <identity value="v2"/>
            <map value="CE/CNE/CWE"/>
         </mapping>
         <mapping>
            <identity value="rim"/>
            <map value="CD"/>
         </mapping>
         <mapping>
            <identity value="orim"/>
            <map value="fhir:CodeableConcept rdfs:subClassOf dt:CD"/>
         </mapping>
         <mapping>
            <identity value="v2"/>
            <map value="SPM"/>
         </mapping>
         <mapping>
            <identity value="rim"/>
            <map value="targetSiteCode"/>
         </mapping>
         <mapping>
            <identity value="quick"/>
            <map value="Procedure.targetBodySite"/>
         </mapping>
      </element>
      <element id="ProcedureRequest.bodySite.id">
         <path value="ProcedureRequest.bodySite.id"/>
         <representation value="xmlAttr"/>
         <short value="xml:id (or equivalent in JSON)"/>
         <definition value="unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces."/>
         <comment value="Note that FHIR strings may not exceed 1MB in size"/>
         <min value="0"/>
         <max value="1"/>
         <base>
            <path value="Element.id"/>
            <min value="0"/>
            <max value="1"/>
         </base>
         <type>
            <code value="string"/>
         </type>
         <condition value="ele-1"/>
         <constraint>
            <key value="ele-1"/>
            <severity value="error"/>
            <human value="All FHIR elements must have a @value or children"/>
            <expression value="hasValue() | (children().count() > id.count())"/>
            <xpath value="@value|f:*|h:div"/>
         </constraint>
         <mapping>
            <identity value="rim"/>
            <map value="n/a"/>
         </mapping>
      </element>
      <element id="ProcedureRequest.bodySite.extension">
         <path value="ProcedureRequest.bodySite.extension"/>
         <slicing>
            <discriminator>
               <type value="value"/>
               <path value="url"/>
            </discriminator>
            <description value="Extensions are always sliced by (at least) url"/>
            <rules value="open"/>
         </slicing>
         <short value="Additional Content defined by implementations"/>
         <definition value="May be used to represent additional information that is not part of the basic definition of the element. In order to make the use of extensions safe and manageable, there is a strict set of governance  applied to the definition and use of extensions. Though any implementer is allowed to define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension."/>
         <comment value="There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone."/>
         <alias value="extensions"/>
         <alias value="user content"/>
         <min value="0"/>
         <max value="*"/>
         <base>
            <path value="Element.extension"/>
            <min value="0"/>
            <max value="*"/>
         </base>
         <type>
            <code value="Extension"/>
         </type>
         <condition value="ele-1"/>
         <constraint>
            <key value="ele-1"/>
            <severity value="error"/>
            <human value="All FHIR elements must have a @value or children"/>
            <expression value="hasValue() | (children().count() > id.count())"/>
            <xpath value="@value|f:*|h:div"/>
         </constraint>
         <constraint>
            <key value="ext-1"/>
            <severity value="error"/>
            <human value="Must have either extensions or value[x], not both"/>
            <expression value="extension.exists() != value.exists()"/>
            <xpath value="exists(f:extension)!=exists(f:*[starts-with(local-name(.), 'value')])"/>
         </constraint>
         <mapping>
            <identity value="rim"/>
            <map value="n/a"/>
         </mapping>
         <mapping>
            <identity value="rim"/>
            <map value="N/A"/>
         </mapping>
      </element>
      <element id="ProcedureRequest.bodySite.coding">
         <path value="ProcedureRequest.bodySite.coding"/>
         <slicing>
            <discriminator>
               <type value="value"/>
               <path value="system"/>
            </discriminator>
            <rules value="open"/>
         </slicing>
         <short value="Code defined by a terminology system"/>
         <definition value="A reference to a code defined by a terminology system."/>
         <comment value="Codes may be defined very casually in enumerations, or code lists, up to very formal definitions such as SNOMED CT - see the HL7 v3 Core Principles for more information.  Ordering of codings is undefined and SHALL NOT be used to infer meaning. Generally, at most only one of the coding values will be labeled as UserSelected = true."/>
         <requirements value="Allows for translations and alternate encodings within a code system.  Also supports communication of the same instance to systems requiring different encodings."/>
         <min value="0"/>
         <max value="*"/>
         <base>
            <path value="CodeableConcept.coding"/>
            <min value="0"/>
            <max value="*"/>
         </base>
         <type>
            <code value="Coding"/>
         </type>
         <condition value="ele-1"/>
         <constraint>
            <key value="ele-1"/>
            <severity value="error"/>
            <human value="All FHIR elements must have a @value or children"/>
            <expression value="hasValue() | (children().count() > id.count())"/>
            <xpath value="@value|f:*|h:div"/>
         </constraint>
         <isSummary value="true"/>
         <mapping>
            <identity value="rim"/>
            <map value="n/a"/>
         </mapping>
         <mapping>
            <identity value="v2"/>
            <map value="CE/CNE/CWE subset one of the sets of component 1-3 or 4-6"/>
         </mapping>
         <mapping>
            <identity value="rim"/>
            <map value="CV"/>
         </mapping>
         <mapping>
            <identity value="orim"/>
            <map value="fhir:Coding rdfs:subClassOf dt:CDCoding"/>
         </mapping>
         <mapping>
            <identity value="v2"/>
            <map value="C*E.1-8, C*E.10-22"/>
         </mapping>
         <mapping>
            <identity value="rim"/>
            <map value="union(., ./translation)"/>
         </mapping>
         <mapping>
            <identity value="orim"/>
            <map value="fhir:CodeableConcept.coding rdfs:subPropertyOf dt:CD.coding"/>
         </mapping>
      </element>
      <element id="ProcedureRequest.bodySite.coding:snomedCT">
         <path value="ProcedureRequest.bodySite.coding"/>
         <sliceName value="snomedCT"/>
         <short value="Code defined by a terminology system"/>
         <definition value="A reference to a code defined by a terminology system."/>
         <comment value="Codes may be defined very casually in enumerations, or code lists, up to very formal definitions such as SNOMED CT - see the HL7 v3 Core Principles for more information.  Ordering of codings is undefined and SHALL NOT be used to infer meaning. Generally, at most only one of the coding values will be labeled as UserSelected = true."/>
         <requirements value="Allows for translations and alternate encodings within a code system.  Also supports communication of the same instance to systems requiring different encodings."/>
         <min value="0"/>
         <max value="*"/>
         <base>
            <path value="CodeableConcept.coding"/>
            <min value="0"/>
            <max value="*"/>
         </base>
         <type>
            <code value="Coding"/>
         </type>
         <condition value="ele-1"/>
         <constraint>
            <key value="ele-1"/>
            <severity value="error"/>
            <human value="All FHIR elements must have a @value or children"/>
            <expression value="hasValue() | (children().count() > id.count())"/>
            <xpath value="@value|f:*|h:div"/>
         </constraint>
         <isSummary value="true"/>
         <binding>
            <strength value="preferred"/>
            <description value="A code from the SNOMED Clinical Terminology UK with the expression (<<442083009 |anatomical or acquired body structure|)."/>
            <valueSetReference>
               <reference value="https://fhir.hl7.org.uk/STU3/ValueSet/CareConnect-BodySite-1 "/>
            </valueSetReference>
         </binding>
         <mapping>
            <identity value="rim"/>
            <map value="n/a"/>
         </mapping>
         <mapping>
            <identity value="v2"/>
            <map value="CE/CNE/CWE subset one of the sets of component 1-3 or 4-6"/>
         </mapping>
         <mapping>
            <identity value="rim"/>
            <map value="CV"/>
         </mapping>
         <mapping>
            <identity value="orim"/>
            <map value="fhir:Coding rdfs:subClassOf dt:CDCoding"/>
         </mapping>
         <mapping>
            <identity value="v2"/>
            <map value="C*E.1-8, C*E.10-22"/>
         </mapping>
         <mapping>
            <identity value="rim"/>
            <map value="union(., ./translation)"/>
         </mapping>
         <mapping>
            <identity value="orim"/>
            <map value="fhir:CodeableConcept.coding rdfs:subPropertyOf dt:CD.coding"/>
         </mapping>
      </element>
      <element id="ProcedureRequest.bodySite.coding:snomedCT.id">
         <path value="ProcedureRequest.bodySite.coding.id"/>
         <representation value="xmlAttr"/>
         <short value="xml:id (or equivalent in JSON)"/>
         <definition value="unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces."/>
         <comment value="Note that FHIR strings may not exceed 1MB in size"/>
         <min value="0"/>
         <max value="1"/>
         <base>
            <path value="Element.id"/>
            <min value="0"/>
            <max value="1"/>
         </base>
         <type>
            <code value="string"/>
         </type>
         <condition value="ele-1"/>
         <constraint>
            <key value="ele-1"/>
            <severity value="error"/>
            <human value="All FHIR elements must have a @value or children"/>
            <expression value="hasValue() | (children().count() > id.count())"/>
            <xpath value="@value|f:*|h:div"/>
         </constraint>
         <mapping>
            <identity value="rim"/>
            <map value="n/a"/>
         </mapping>
      </element>
      <element id="ProcedureRequest.bodySite.coding:snomedCT.extension">
         <path value="ProcedureRequest.bodySite.coding.extension"/>
         <slicing>
            <discriminator>
               <type value="value"/>
               <path value="url"/>
            </discriminator>
            <description value="Extensions are always sliced by (at least) url"/>
            <rules value="open"/>
         </slicing>
         <short value="Additional Content defined by implementations"/>
         <definition value="May be used to represent additional information that is not part of the basic definition of the element. In order to make the use of extensions safe and manageable, there is a strict set of governance  applied to the definition and use of extensions. Though any implementer is allowed to define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension."/>
         <comment value="There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone."/>
         <alias value="extensions"/>
         <alias value="user content"/>
         <min value="0"/>
         <max value="*"/>
         <base>
            <path value="Element.extension"/>
            <min value="0"/>
            <max value="*"/>
         </base>
         <type>
            <code value="Extension"/>
         </type>
         <condition value="ele-1"/>
         <constraint>
            <key value="ele-1"/>
            <severity value="error"/>
            <human value="All FHIR elements must have a @value or children"/>
            <expression value="hasValue() | (children().count() > id.count())"/>
            <xpath value="@value|f:*|h:div"/>
         </constraint>
         <constraint>
            <key value="ext-1"/>
            <severity value="error"/>
            <human value="Must have either extensions or value[x], not both"/>
            <expression value="extension.exists() != value.exists()"/>
            <xpath value="exists(f:extension)!=exists(f:*[starts-with(local-name(.), 'value')])"/>
         </constraint>
         <mapping>
            <identity value="rim"/>
            <map value="n/a"/>
         </mapping>
         <mapping>
            <identity value="rim"/>
            <map value="N/A"/>
         </mapping>
      </element>
      <element id="ProcedureRequest.bodySite.coding:snomedCT.extension:snomedCTDescriptionID">
         <path value="ProcedureRequest.bodySite.coding.extension"/>
         <sliceName value="snomedCTDescriptionID"/>
         <short value="Additional Content defined by implementations"/>
         <definition value="May be used to represent additional information that is not part of the basic definition of the element. In order to make the use of extensions safe and manageable, there is a strict set of governance  applied to the definition and use of extensions. Though any implementer is allowed to define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension."/>
         <comment value="There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone."/>
         <alias value="extensions"/>
         <alias value="user content"/>
         <min value="0"/>
         <max value="1"/>
         <base>
            <path value="Element.extension"/>
            <min value="0"/>
            <max value="*"/>
         </base>
         <type>
            <code value="Extension"/>
            <profile value="https://fhir.hl7.org.uk/STU3/StructureDefinition/Extension-coding-sctdescid"/>
         </type>
         <condition value="ele-1"/>
         <constraint>
            <key value="ele-1"/>
            <severity value="error"/>
            <human value="All FHIR elements must have a @value or children"/>
            <expression value="hasValue() | (children().count() > id.count())"/>
            <xpath value="@value|f:*|h:div"/>
         </constraint>
         <constraint>
            <key value="ext-1"/>
            <severity value="error"/>
            <human value="Must have either extensions or value[x], not both"/>
            <expression value="extension.exists() != value.exists()"/>
            <xpath value="exists(f:extension)!=exists(f:*[starts-with(local-name(.), 'value')])"/>
         </constraint>
         <mapping>
            <identity value="rim"/>
            <map value="n/a"/>
         </mapping>
         <mapping>
            <identity value="rim"/>
            <map value="N/A"/>
         </mapping>
      </element>
      <element id="ProcedureRequest.bodySite.coding:snomedCT.extension:snomedCTDescriptionID.id">
         <path value="ProcedureRequest.bodySite.coding.extension.id"/>
         <representation value="xmlAttr"/>
         <short value="xml:id (or equivalent in JSON)"/>
         <definition value="unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces."/>
         <comment value="Note that FHIR strings may not exceed 1MB in size"/>
         <min value="0"/>
         <max value="1"/>
         <base>
            <path value="Element.id"/>
            <min value="0"/>
            <max value="1"/>
         </base>
         <type>
            <code value="string"/>
         </type>
         <condition value="ele-1"/>
         <constraint>
            <key value="ele-1"/>
            <severity value="error"/>
            <human value="All FHIR elements must have a @value or children"/>
            <expression value="hasValue() | (children().count() > id.count())"/>
            <xpath value="@value|f:*|h:div"/>
         </constraint>
         <mapping>
            <identity value="rim"/>
            <map value="n/a"/>
         </mapping>
      </element>
      <element id="ProcedureRequest.bodySite.coding:snomedCT.extension:snomedCTDescriptionID.extension">
         <path value="ProcedureRequest.bodySite.coding.extension.extension"/>
         <slicing>
            <discriminator>
               <type value="value"/>
               <path value="url"/>
            </discriminator>
            <description value="Extensions are always sliced by (at least) url"/>
            <rules value="open"/>
         </slicing>
         <short value="Additional Content defined by implementations"/>
         <definition value="May be used to represent additional information that is not part of the basic definition of the element. In order to make the use of extensions safe and manageable, there is a strict set of governance  applied to the definition and use of extensions. Though any implementer is allowed to define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension."/>
         <comment value="There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone."/>
         <alias value="extensions"/>
         <alias value="user content"/>
         <min value="0"/>
         <max value="*"/>
         <base>
            <path value="Element.extension"/>
            <min value="0"/>
            <max value="*"/>
         </base>
         <type>
            <code value="Extension"/>
         </type>
         <condition value="ele-1"/>
         <constraint>
            <key value="ele-1"/>
            <severity value="error"/>
            <human value="All FHIR elements must have a @value or children"/>
            <expression value="hasValue() | (children().count() > id.count())"/>
            <xpath value="@value|f:*|h:div"/>
         </constraint>
         <constraint>
            <key value="ext-1"/>
            <severity value="error"/>
            <human value="Must have either extensions or value[x], not both"/>
            <expression value="extension.exists() != value.exists()"/>
            <xpath value="exists(f:extension)!=exists(f:*[starts-with(local-name(.), 'value')])"/>
         </constraint>
         <mapping>
            <identity value="rim"/>
            <map value="n/a"/>
         </mapping>
         <mapping>
            <identity value="rim"/>
            <map value="N/A"/>
         </mapping>
      </element>
      <element id="ProcedureRequest.bodySite.coding:snomedCT.extension:snomedCTDescriptionID.url">
         <path value="ProcedureRequest.bodySite.coding.extension.url"/>
         <representation value="xmlAttr"/>
         <short value="identifies the meaning of the extension"/>
         <definition value="Source of the definition for the extension code - a logical name or a URL."/>
         <comment value="The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension."/>
         <min value="1"/>
         <max value="1"/>
         <base>
            <path value="Extension.url"/>
            <min value="1"/>
            <max value="1"/>
         </base>
         <type>
            <code value="uri"/>
         </type>
         <fixedUri value="https://fhir.hl7.org.uk/STU3/StructureDefinition/Extension-coding-sctdescid"/>
         <condition value="ele-1"/>
         <constraint>
            <key value="ele-1"/>
            <severity value="error"/>
            <human value="All FHIR elements must have a @value or children"/>
            <expression value="hasValue() | (children().count() > id.count())"/>
            <xpath value="@value|f:*|h:div"/>
         </constraint>
         <mapping>
            <identity value="rim"/>
            <map value="n/a"/>
         </mapping>
         <mapping>
            <identity value="rim"/>
            <map value="N/A"/>
         </mapping>
      </element>
      <element id="ProcedureRequest.bodySite.coding:snomedCT.extension:snomedCTDescriptionID.value[x]">
         <path value="ProcedureRequest.bodySite.coding.extension.value[x]"/>
         <short value="Value of extension"/>
         <definition value="Value of extension - may be a resource or one of a constrained set of the data types (see Extensibility in the spec for list)."/>
         <comment value="A stream of bytes, base64 encoded"/>
         <min value="0"/>
         <max value="1"/>
         <base>
            <path value="Extension.value[x]"/>
            <min value="0"/>
            <max value="1"/>
         </base>
         <type>
            <code value="base64Binary"/>
         </type>
         <type>
            <code value="boolean"/>
         </type>
         <type>
            <code value="code"/>
         </type>
         <type>
            <code value="date"/>
         </type>
         <type>
            <code value="dateTime"/>
         </type>
         <type>
            <code value="decimal"/>
         </type>
         <type>
            <code value="id"/>
         </type>
         <type>
            <code value="instant"/>
         </type>
         <type>
            <code value="integer"/>
         </type>
         <type>
            <code value="markdown"/>
         </type>
         <type>
            <code value="oid"/>
         </type>
         <type>
            <code value="positiveInt"/>
         </type>
         <type>
            <code value="string"/>
         </type>
         <type>
            <code value="time"/>
         </type>
         <type>
            <code value="unsignedInt"/>
         </type>
         <type>
            <code value="uri"/>
         </type>
         <type>
            <code value="