API Hub

Explore and Make use of Nationally Defined Messaging APIs

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-ReferralRequest-1"/>
   <url value="https://fhir.nhs.uk/STU3/StructureDefinition/CareConnect-GPC-ReferralRequest-1"/>
   <version value="1.2.0"/>
   <name value="CareConnect-GPC-ReferralRequest-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="Used to record and send details about a request for referral service or transfer of a patient to the care of another provider or provider organization."/>
   <purpose value="CURATED BY INTEROPen see: http://www.interopen.org/careconnect-curation-methodology/ on the 5th July 2019."/>
   <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="ReferralRequest"/>
   <baseDefinition value="http://hl7.org/fhir/StructureDefinition/ReferralRequest"/>
   <derivation value="constraint"/>
   <snapshot>
      <element id="ReferralRequest">
         <path value="ReferralRequest"/>
         <short value="A request for referral or transfer of care"/>
         <definition value="Used to record and send details about a request for referral service or transfer of a patient to the care of another provider or provider organization."/>
         <alias value="ReferralRequest TransferOfCare 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="w5"/>
            <map value="clinical.careprovision"/>
         </mapping>
      </element>
      <element id="ReferralRequest.id">
         <path value="ReferralRequest.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="ReferralRequest.meta">
         <path value="ReferralRequest.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="ReferralRequest.meta.id">
         <path value="ReferralRequest.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="ReferralRequest.meta.extension">
         <path value="ReferralRequest.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="ReferralRequest.meta.versionId">
         <path value="ReferralRequest.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="ReferralRequest.meta.lastUpdated">
         <path value="ReferralRequest.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="ReferralRequest.meta.profile">
         <path value="ReferralRequest.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="ReferralRequest.meta.security">
         <path value="ReferralRequest.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="ReferralRequest.meta.tag">
         <path value="ReferralRequest.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="ReferralRequest.implicitRules">
         <path value="ReferralRequest.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="ReferralRequest.language">
         <path value="ReferralRequest.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="ReferralRequest.text">
         <path value="ReferralRequest.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="ReferralRequest.contained">
         <path value="ReferralRequest.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="ReferralRequest.extension">
         <path value="ReferralRequest.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="ReferralRequest.modifierExtension">
         <path value="ReferralRequest.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="ReferralRequest.identifier">
         <path value="ReferralRequest.identifier"/>
         <short value="Business identifier"/>
         <definition value="Business identifier that uniquely identifies the referral/care transfer request instance."/>
         <min value="1"/>
         <max value="*"/>
         <base>
            <path value="ReferralRequest.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>
         <isModifier value="false"/>
         <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="RF1-6 / RF1-11"/>
         </mapping>
         <mapping>
            <identity value="w5"/>
            <map value="id"/>
         </mapping>
      </element>
      <element id="ReferralRequest.identifier.id">
         <path value="ReferralRequest.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="ReferralRequest.identifier.extension">
         <path value="ReferralRequest.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="ReferralRequest.identifier.use">
         <path value="ReferralRequest.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="ReferralRequest.identifier.type">
         <path value="ReferralRequest.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="ReferralRequest.identifier.system">
         <path value="ReferralRequest.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="ReferralRequest.identifier.value">
         <path value="ReferralRequest.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="ReferralRequest.identifier.period">
         <path value="ReferralRequest.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="ReferralRequest.identifier.assigner">
         <path value="ReferralRequest.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="ReferralRequest.definition">
         <path value="ReferralRequest.definition"/>
         <short value="Instantiates protocol or definition"/>
         <definition value="A protocol, guideline, orderset or other definition that is adhered to in whole or in part 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."/>
         <min value="0"/>
         <max value="*"/>
         <base>
            <path value="ReferralRequest.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="rim"/>
            <map value=".outboundRelationship[typeCode=DEFN].target"/>
         </mapping>
      </element>
      <element id="ReferralRequest.basedOn">
         <path value="ReferralRequest.basedOn"/>
         <short value="Indicates any plans or prior referrals that this referral is intended to fulfill"/>
         <definition value="Indicates any plans, proposals or orders that this request is intended to satisfy - in whole or in part."/>
         <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="ReferralRequest.basedOn"/>
            <min value="0"/>
            <max value="*"/>
         </base>
         <type>
            <code value="Reference"/>
            <targetProfile value="https://fhir.nhs.uk/STU3/StructureDefinition/CareConnect-GPC-ReferralRequest-1"/>
         </type>
         <type>
            <code value="Reference"/>
            <targetProfile value="https://fhir.hl7.org.uk/STU3/StructureDefinition/CareConnect-CarePlan-1"/>
         </type>
         <type>
            <code value="Reference"/>
            <targetProfile value="https://fhir.nhs.uk/STU3/StructureDefinition/CareConnect-GPC-ProcedureRequest-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>
         <isModifier value="false"/>
         <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>
      </element>
      <element id="ReferralRequest.replaces">
         <path value="ReferralRequest.replaces"/>
         <short value="Request(s) replaced by this request"/>
         <definition value="Completed or terminated request(s) whose function is taken by this new request."/>
         <comment value="The replacement could be because the initial request was immediately rejected (due to an issue) or because the previous request was completed, but the need for the action described by the request remains ongoing."/>
         <requirements value="Allows tracing the continuation of a therapy or administrative process instantiated through multiple requests."/>
         <alias value="supersedes"/>
         <alias value="prior"/>
         <alias value="renewed order"/>
         <min value="0"/>
         <max value="*"/>
         <base>
            <path value="ReferralRequest.replaces"/>
            <min value="0"/>
            <max value="*"/>
         </base>
         <type>
            <code value="Reference"/>
            <targetProfile value="https://fhir.nhs.uk/STU3/StructureDefinition/CareConnect-GPC-ReferralRequest-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="rim"/>
            <map value=".outboundRelationship[typeCode=RPLC].target"/>
         </mapping>
      </element>
      <element id="ReferralRequest.groupIdentifier">
         <path value="ReferralRequest.groupIdentifier"/>
         <short value="Composite request this is part of"/>
         <definition value="The business identifier of the logical "grouping" request/order that this referral is a part of."/>
         <requirements value="Allows multiple orders to be collected as part of a single requisition."/>
         <alias value="grouperId"/>
         <alias value="requisition"/>
         <min value="0"/>
         <max value="1"/>
         <base>
            <path value="ReferralRequest.groupIdentifier"/>
            <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>
         <isModifier value="false"/>
         <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>
      </element>
      <element id="ReferralRequest.groupIdentifier.id">
         <path value="ReferralRequest.groupIdentifier.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="ReferralRequest.groupIdentifier.extension">
         <path value="ReferralRequest.groupIdentifier.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="ReferralRequest.groupIdentifier.use">
         <path value="ReferralRequest.groupIdentifier.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="ReferralRequest.groupIdentifier.type">
         <path value="ReferralRequest.groupIdentifier.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="ReferralRequest.groupIdentifier.system">
         <path value="ReferralRequest.groupIdentifier.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="ReferralRequest.groupIdentifier.value">
         <path value="ReferralRequest.groupIdentifier.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="ReferralRequest.groupIdentifier.period">
         <path value="ReferralRequest.groupIdentifier.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="ReferralRequest.groupIdentifier.assigner">
         <path value="ReferralRequest.groupIdentifier.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="ReferralRequest.status">
         <path value="ReferralRequest.status"/>
         <short value="draft | active | suspended | cancelled | completed | entered-in-error | unknown"/>
         <definition value="The status of the authorization/intention reflected by the referral request record."/>
         <comment value="This element is labeled as a modifier because the status contains codes that mark the resource as not currently valid."/>
         <requirements value="Workflow status is handled by the Task resource."/>
         <min value="1"/>
         <max value="1"/>
         <base>
            <path value="ReferralRequest.status"/>
            <min value="1"/>
            <max value="1"/>
         </base>
         <type>
            <code value="code"/>
         </type>
         <fixedCode value="unknown"/>
         <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="ReferralRequestStatus"/>
            </extension>
            <strength value="required"/>
            <description value="The status of the referral."/>
            <valueSetReference>
               <reference value="http://hl7.org/fhir/ValueSet/request-status"/>
            </valueSetReference>
         </binding>
         <mapping>
            <identity value="rim"/>
            <map value="n/a"/>
         </mapping>
         <mapping>
            <identity value="v2"/>
            <map value="RF1-1"/>
         </mapping>
         <mapping>
            <identity value="w5"/>
            <map value="status"/>
         </mapping>
      </element>
      <element id="ReferralRequest.intent">
         <path value="ReferralRequest.intent"/>
         <short value="proposal | plan | order"/>
         <definition value="Distinguishes the "level" of authorization/demand implicit in this request."/>
         <comment value="Note that FHIR strings may not exceed 1MB in size"/>
         <requirements value="The same resource structure is used when capturing proposals/recommendations, plans and actual requests."/>
         <alias value="category"/>
         <min value="1"/>
         <max value="1"/>
         <base>
            <path value="ReferralRequest.intent"/>
            <min value="1"/>
            <max value="1"/>
         </base>
         <type>
            <code value="code"/>
         </type>
         <fixedCode value="order"/>
         <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="ReferralCategory"/>
            </extension>
            <strength value="required"/>
            <description value="Codes identifying the stage lifecycle stage of a 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="w5"/>
            <map value="class"/>
         </mapping>
      </element>
      <element id="ReferralRequest.type">
         <path value="ReferralRequest.type"/>
         <short value="Referral/Transition of care request type"/>
         <definition value="An indication of the type of referral (or where applicable the type of transfer of care) request."/>
         <comment value="Not all terminology uses fit this general pattern. In some cases, models should not use CodeableConcept and use Coding directly and provide their own structure for managing text, codings, translations and the relationship between elements and pre- and post-coordination."/>
         <min value="0"/>
         <max value="1"/>
         <base>
            <path value="ReferralRequest.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>
         <isModifier value="false"/>
         <isSummary value="true"/>
         <binding>
            <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName">
               <valueString value="ReferralType"/>
            </extension>
            <strength value="example"/>
            <description value="Codes for types of referral; e.g. consult, transfer, temporary transfer."/>
            <valueSetReference>
               <reference value="http://hl7.org/fhir/ValueSet/referral-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="RF1-10"/>
         </mapping>
         <mapping>
            <identity value="w5"/>
            <map value="class"/>
         </mapping>
      </element>
      <element id="ReferralRequest.priority">
         <path value="ReferralRequest.priority"/>
         <short value="Urgency of referral / transfer of care request"/>
         <definition value="An indication of the urgency of referral (or where applicable the type of transfer of care) request."/>
         <comment value="Note that FHIR strings may not exceed 1MB in size"/>
         <min value="0"/>
         <max value="1"/>
         <base>
            <path value="ReferralRequest.priority"/>
            <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="false"/>
         <isSummary value="true"/>
         <binding>
            <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName">
               <valueString value="ReferralPriority"/>
            </extension>
            <strength value="required"/>
            <description value="Codes indicating the relative priority of the referral."/>
            <valueSetReference>
               <reference value="https://fhir.nhs.uk/STU3/ValueSet/GPConnect-RequestPriority-1"/>
            </valueSetReference>
         </binding>
         <mapping>
            <identity value="rim"/>
            <map value="n/a"/>
         </mapping>
         <mapping>
            <identity value="v2"/>
            <map value="RF1-2"/>
         </mapping>
         <mapping>
            <identity value="w5"/>
            <map value="grade"/>
         </mapping>
      </element>
      <element id="ReferralRequest.serviceRequested">
         <path value="ReferralRequest.serviceRequested"/>
         <short value="Actions requested as part of the referral"/>
         <definition value="The service(s) that is/are requested to be provided to the patient.  For example: cardiac pacemaker insertion."/>
         <comment value="Not all terminology uses fit this general pattern. In some cases, models should not use CodeableConcept and use Coding directly and provide their own structure for managing text, codings, translations and the relationship between elements and pre- and post-coordination."/>
         <min value="0"/>
         <max value="*"/>
         <base>
            <path value="ReferralRequest.serviceRequested"/>
            <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>
         <isModifier value="false"/>
         <isSummary value="true"/>
         <binding>
            <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName">
               <valueString value="RequestedService"/>
            </extension>
            <strength value="example"/>
            <description value="Codes indicating the types of services that might be requested as part of a referral."/>
            <valueSetReference>
               <reference value="http://hl7.org/fhir/ValueSet/c80-practice-codes"/>
            </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="PR1-3 / OBR-4"/>
         </mapping>
         <mapping>
            <identity value="w5"/>
            <map value="what"/>
         </mapping>
      </element>
      <element id="ReferralRequest.subject">
         <path value="ReferralRequest.subject"/>
         <short value="A reference to the patient who is the subject of the referral"/>
         <definition value="The patient who is the subject of a referral or transfer of care request."/>
         <comment value="Referral of family, group or community is to be catered for by profiles."/>
         <min value="1"/>
         <max value="1"/>
         <base>
            <path value="ReferralRequest.subject"/>
            <min value="1"/>
            <max value="1"/>
         </base>
         <type>
            <code value="Reference"/>
            <targetProfile value="https://fhir.nhs.uk/STU3/StructureDefinition/CareConnect-GPC-Patient-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>
         <isModifier value="false"/>
         <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="PID-3"/>
         </mapping>
         <mapping>
            <identity value="w5"/>
            <map value="who.focus"/>
         </mapping>
      </element>
      <element id="ReferralRequest.context">
         <path value="ReferralRequest.context"/>
         <short value="The consultation within which the referral was recorded"/>
         <definition value="The encounter at which the request for referral or transfer of care is initiated."/>
         <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="ReferralRequest.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>
         <mustSupport value="true"/>
         <isModifier value="false"/>
         <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="PV1-19"/>
         </mapping>
         <mapping>
            <identity value="w5"/>
            <map value="context"/>
         </mapping>
      </element>
      <element id="ReferralRequest.occurrence[x]">
         <path value="ReferralRequest.occurrence[x]"/>
         <short value="When the service(s) requested in the referral should occur"/>
         <definition value="The period of time within which the services identified in the referral/transfer of care is specified or required to occur."/>
         <comment value="When the occurrenceDateTime is used, then it is indicating that the requested service must happen before the specified date."/>
         <requirements value="Use cases: (1) to indicate that the requested service is not to happen before a specified date, and saving the start date in Period.start; (2) to indicate that the requested service must happen before a specified date, and saving the end date in Period.end; (3) to indicate that the requested service must happen during the specified dates ("start" and "end" values)."/>
         <alias value="timing"/>
         <min value="0"/>
         <max value="1"/>
         <base>
            <path value="ReferralRequest.occurrence[x]"/>
            <min value="0"/>
            <max value="1"/>
         </base>
         <type>
            <code value="dateTime"/>
         </type>
         <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>
         <isModifier value="false"/>
         <isSummary value="true"/>
         <mapping>
            <identity value="rim"/>
            <map value="n/a"/>
         </mapping>
         <mapping>
            <identity value="v2"/>
            <map value="OBR-7/OBR-8"/>
         </mapping>
         <mapping>
            <identity value="w5"/>
            <map value="when.planned"/>
         </mapping>
      </element>
      <element id="ReferralRequest.authoredOn">
         <path value="ReferralRequest.authoredOn"/>
         <short value="The user entered date for the referral"/>
         <definition value="Date/DateTime of creation for draft requests and date of activation for active requests."/>
         <alias value="createdOn"/>
         <min value="0"/>
         <max value="1"/>
         <base>
            <path value="ReferralRequest.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>
         <mustSupport value="true"/>
         <isModifier value="false"/>
         <isSummary value="true"/>
         <mapping>
            <identity value="rim"/>
            <map value="n/a"/>
         </mapping>
         <mapping>
            <identity value="v2"/>
            <map value="RF1-7 / RF1-9?"/>
         </mapping>
         <mapping>
            <identity value="w5"/>
            <map value="when.recorded"/>
         </mapping>
      </element>
      <element id="ReferralRequest.requester">
         <path value="ReferralRequest.requester"/>
         <short value="Who has administered the referral request"/>
         <definition value="The individual who initiated the request and has responsibility for its activation."/>
         <alias value="author"/>
         <min value="0"/>
         <max value="1"/>
         <base>
            <path value="ReferralRequest.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>
         <constraint>
            <key value="rfr-1"/>
            <severity value="error"/>
            <human value="onBehalfOf can only be specified if agent is practitioner or device"/>
            <expression value="(agent.resolve() is Device) or (agent.resolve() is Practitioner) or onBehalfOf.exists().not()"/>
            <xpath value="contains(f:agent/f:reference/@value, '/Practitioner/') or contains(f:agent/f:reference/@value, '/Device/') or not(exists(f:onBehalfOf))"/>
         </constraint>
         <mustSupport value="true"/>
         <isSummary value="true"/>
         <mapping>
            <identity value="rim"/>
            <map value="n/a"/>
         </mapping>
         <mapping>
            <identity value="rim"/>
            <map value=".participation[typeCode=AUT].role"/>
         </mapping>
      </element>
      <element id="ReferralRequest.requester.id">
         <path value="ReferralRequest.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="ReferralRequest.requester.extension">
         <path value="ReferralRequest.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="ReferralRequest.requester.modifierExtension">
         <path value="ReferralRequest.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="ReferralRequest.requester.agent">
         <path value="ReferralRequest.requester.agent"/>
         <short value="Individual making the request"/>
         <definition value="The device, practitioner, etc. 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="ReferralRequest.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.hl7.org.uk/STU3/StructureDefinition/CareConnect-RelatedPerson-1"/>
         </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-Patient-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="rim"/>
            <map value=".player"/>
         </mapping>
         <mapping>
            <identity value="w5"/>
            <map value="who.author"/>
         </mapping>
      </element>
      <element id="ReferralRequest.requester.onBehalfOf">
         <path value="ReferralRequest.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="ReferralRequest.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"/>
         <condition value="rfr-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="rim"/>
            <map value=".scoper"/>
         </mapping>
      </element>
      <element id="ReferralRequest.specialty">
         <path value="ReferralRequest.specialty"/>
         <short value="The clinical specialty (discipline) that the referral is requested for"/>
         <definition value="Indication of the clinical domain or discipline to which the referral or transfer of care request is sent.  For example: Cardiology Gastroenterology Diabetology."/>
         <comment value="Not all terminology uses fit this general pattern. In some cases, models should not use CodeableConcept and use Coding directly and provide their own structure for managing text, codings, translations and the relationship between elements and pre- and post-coordination."/>
         <min value="0"/>
         <max value="1"/>
         <base>
            <path value="ReferralRequest.specialty"/>
            <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>
         <isModifier value="false"/>
         <binding>
            <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName">
               <valueString value="ReferralSpecialty"/>
            </extension>
            <strength value="example"/>
            <description value="Codes indicating the types of capability the referred to service provider must have."/>
            <valueSetReference>
               <reference value="http://hl7.org/fhir/ValueSet/practitioner-specialty"/>
            </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="RF1-3"/>
         </mapping>
      </element>
      <element id="ReferralRequest.recipient">
         <path value="ReferralRequest.recipient"/>
         <short value="Receiver of referral / transfer of care request"/>
         <definition value="The healthcare provider(s) or provider organization(s) who/which is to receive the referral/transfer of care request."/>
         <comment value="There will be a primary receiver. But the request can be received by any number of "copied to" providers or organizations."/>
         <min value="0"/>
         <max value="*"/>
         <base>
            <path value="ReferralRequest.recipient"/>
            <min value="0"/>
            <max value="*"/>
         </base>
         <type>
            <code value="Reference"/>
            <targetProfile value="https://fhir.hl7.org.uk/STU3/StructureDefinition/CareConnect-HealthcareService-1"/>
         </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>
         <mustSupport value="true"/>
         <isModifier value="false"/>
         <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="Practitioner: PRD-2/PRD-7 where PRD-3 = RT; Organization: PRD-10 where PRD-3 = RT"/>
         </mapping>
         <mapping>
            <identity value="w5"/>
            <map value="who.actor"/>
         </mapping>
      </element>
      <element id="ReferralRequest.reasonCode">
         <path value="ReferralRequest.reasonCode"/>
         <short value="Reason for referral / transfer of care request"/>
         <definition value="Description of clinical condition indicating why referral/transfer of care is requested.  For example:  Pathological Anomalies, Disabled (physical or mental),  Behavioral Management."/>
         <comment value="Not all terminology uses fit this general pattern. In some cases, models should not use CodeableConcept and use Coding directly and provide their own structure for managing text, codings, translations and the relationship between elements and pre- and post-coordination."/>
         <min value="0"/>
         <max value="*"/>
         <base>
            <path value="ReferralRequest.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"/>
         <isModifier value="false"/>
         <isSummary value="true"/>
         <binding>
            <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName">
               <valueString value="ReferralReason"/>
            </extension>
            <strength value="required"/>
            <description value="Codes indicating why the referral is being requested."/>
            <valueSetReference>
               <reference value="https://fhir.nhs.uk/STU3/ValueSet/ReasonForReferralSnCT-1"/>
            </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="RF1-10"/>
         </mapping>
         <mapping>
            <identity value="w5"/>
            <map value="why"/>
         </mapping>
      </element>
      <element id="ReferralRequest.reasonReference">
         <path value="ReferralRequest.reasonReference"/>
         <short value="The problem(s) linked to the referral"/>
         <definition value="Indicates another resource whose existence justifies 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."/>
         <min value="0"/>
         <max value="*"/>
         <base>
            <path value="ReferralRequest.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>
         <type>
            <code value="Reference"/>
            <targetProfile value="https://fhir.nhs.uk/STU3/StructureDefinition/CareConnect-GPC-ProblemHeader-Condition-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="rim"/>
            <map value=".outboundRelationship[typeCode=RSON].target"/>
         </mapping>
         <mapping>
            <identity value="w5"/>
            <map value="why"/>
         </mapping>
      </element>
      <element id="ReferralRequest.description">
         <path value="ReferralRequest.description"/>
         <short value="The free text description for the referral"/>
         <definition value="The reason element gives a short description of why the referral is being made, the description expands on this to support a more complete clinical summary."/>
         <comment value="Note that FHIR strings may not exceed 1MB in size"/>
         <min value="0"/>
         <max value="1"/>
         <base>
            <path value="ReferralRequest.description"/>
            <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>
         <mustSupport value="true"/>
         <isModifier value="false"/>
         <mapping>
            <identity value="rim"/>
            <map value="n/a"/>
         </mapping>
      </element>
      <element id="ReferralRequest.supportingInfo">
         <path value="ReferralRequest.supportingInfo"/>
         <short value="The referral letter(s) and any other supporting documents or linked detail with relates to another resource which is not specifically defined to another referralRequest element"/>
         <definition value="Any additional (administrative, financial or clinical) information required to support request for referral or transfer of care.  For example: Presenting problems/chief complaints Medical History Family History Alerts Allergy/Intolerance and Adverse Reactions Medications Observations/Assessments (may include cognitive and fundtional assessments) Diagnostic Reports Care Plan."/>
         <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="ReferralRequest.supportingInfo"/>
            <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>
         <mustSupport value="true"/>
         <isModifier value="false"/>
         <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>
      </element>
      <element id="ReferralRequest.note">
         <path value="ReferralRequest.note"/>
         <short value="Any additional information recorded against the referral"/>
         <definition value="This could include additional categorisation of the referral or notes recorded post referral such as details of progress or outcomes."/>
         <comment value="For systems that do not have structured annotations, they can simply communicate a single annotation with no author or time.  This element may need to be included in narrative because of the potential for modifying information.  *Annotations SHOULD NOT* be used to communicate "modifying" information that could be computable. (This is a SHOULD because enforcing user behavior is nearly impossible)."/>
         <min value="0"/>
         <max value="*"/>
         <base>
            <path value="ReferralRequest.note"/>
            <min value="0"/>
            <max value="*"/>
         </base>
         <type>
            <code value="Annotation"/>
         </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"/>
         <mapping>
            <identity value="rim"/>
            <map value="n/a"/>
         </mapping>
         <mapping>
            <identity value="v2"/>
            <map value="N/A"/>
         </mapping>
         <mapping>
            <identity value="rim"/>
            <map value="Act"/>
         </mapping>
      </element>
      <element id="ReferralRequest.note.id">
         <path value="ReferralRequest.note.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="ReferralRequest.note.extension">
         <path value="ReferralRequest.note.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="ReferralRequest.note.author[x]">
         <path value="ReferralRequest.note.author[x]"/>
         <short value="Individual responsible for the annotation"/>
         <definition value="The individual responsible for making the annotation."/>
         <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="1"/>
         <base>
            <path value="Annotation.author[x]"/>
            <min value="0"/>
            <max value="1"/>
         </base>
         <type>
            <code value="string"/>
         </type>
         <type>
            <code value="Reference"/>
            <targetProfile value="https://fhir.hl7.org.uk/STU3/StructureDefinition/CareConnect-RelatedPerson-1"/>
         </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-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="v2"/>
            <map value="N/A"/>
         </mapping>
         <mapping>
            <identity value="rim"/>
            <map value="Act.participant[typeCode=AUT].role"/>
         </mapping>
      </element>
      <element id="ReferralRequest.note.time">
         <path value="ReferralRequest.note.time"/>
         <short value="When the annotation was made"/>
         <definition value="Indicates when this particular annotation was made."/>
         <min value="0"/>
         <max value="1"/>
         <base>
            <path value="Annotation.time"/>
            <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="v2"/>
            <map value="N/A"/>
         </mapping>
         <mapping>
            <identity value="rim"/>
            <map value="Act.effectiveTime"/>
         </mapping>
      </element>
      <element id="ReferralRequest.note.text">
         <path value="ReferralRequest.note.text"/>
         <short value="The annotation  - text content"/>
         <definition value="The text of the annotation."/>
         <comment value="Note that FHIR strings may not exceed 1MB in size"/>
         <min value="1"/>
         <max value="1"/>
         <base>
            <path value="Annotation.text"/>
            <min value="1"/>
            <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>
         <mapping>
            <identity value="v2"/>
            <map value="N/A"/>
         </mapping>
         <mapping>
            <identity value="rim"/>
            <map value="Act.text"/>
         </mapping>
      </element>
      <element id="ReferralRequest.relevantHistory">
         <path value="ReferralRequest.relevantHistory"/>
         <short value="Key events in history of request"/>
         <definition value="Links to Provenance records for past versions of this resource or fulfilling request or event resources that identify key state transitions or updates that are likely to be relevant to a user looking at the current version of the resource."/>
         <comment value="This element does not point to the Provenance associated with the *current* version of the resource - as it would be created after this version existed.  The Provenance for the current version can be retrieved with a _revinclude."/>
         <alias value="eventHistory"/>
         <min value="0"/>
         <max value="*"/>
         <base>
            <path value="ReferralRequest.relevantHistory"/>
            <min value="0"/>
            <max value="*"/>
         </base>
         <type>
            <code value="Reference"/>
            <targetProfile value="http://hl7.org/fhir/StructureDefinition/Provenance"/>
         </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="rim"/>
            <map value=".inboundRelationship(typeCode=SUBJ].source[classCode=CACT, moodCode=EVN]"/>
         </mapping>
      </element>
   </snapshot>
   <differential>
      <element id="ReferralRequest.meta.profile">
         <path value="ReferralRequest.meta.profile"/>
         <min value="1"/>
      </element>
      <element id="ReferralRequest.identifier">
         <path value="ReferralRequest.identifier"/>
         <min value="1"/>
      </element>
      <element id="ReferralRequest.identifier.system">
         <path value="ReferralRequest.identifier.system"/>
         <min value="1"/>
      </element>
      <element id="ReferralRequest.identifier.value">
         <path value="ReferralRequest.identifier.value"/>
         <min value="1"/>
      </element>
      <element id="ReferralRequest.basedOn">
         <path value="ReferralRequest.basedOn"/>
         <short value="Indicates any plans or prior referrals that this referral is intended to fulfill"/>
         <type>
            <code value="Reference"/>
            <targetProfile value="https://fhir.nhs.uk/STU3/StructureDefinition/CareConnect-GPC-ReferralRequest-1"/>
         </type>
         <type>
            <code value="Reference"/>
            <targetProfile value="https://fhir.hl7.org.uk/STU3/StructureDefinition/CareConnect-CarePlan-1"/>
         </type>
         <type>
            <code value="Reference"/>
            <targetProfile value="https://fhir.nhs.uk/STU3/StructureDefinition/CareConnect-GPC-ProcedureRequest-1"/>
         </type>
      </element>
      <element id="ReferralRequest.replaces">
         <path value="ReferralRequest.replaces"/>
         <type>
            <code value="Reference"/>
            <targetProfile value="https://fhir.nhs.uk/STU3/StructureDefinition/CareConnect-GPC-ReferralRequest-1"/>
         </type>
      </element>
      <element id="ReferralRequest.groupIdentifier.assigner">
         <path value="ReferralRequest.groupIdentifier.assigner"/>
         <type>
            <code value="Reference"/>
            <targetProfile value="https://fhir.nhs.uk/STU3/StructureDefinition/CareConnect-GPC-Organization-1"/>
         </type>
      </element>
      <element id="ReferralRequest.status">
         <path value="ReferralRequest.status"/>
         <fixedCode value="unknown"/>
      </element>
      <element id="ReferralRequest.intent">
         <path value="ReferralRequest.intent"/>
         <fixedCode value="order"/>
      </element>
      <element id="ReferralRequest.priority">
         <path value="ReferralRequest.priority"/>
         <binding>
            <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName">
               <valueString value="ReferralPriority"/>
            </extension>
            <strength value="required"/>
            <valueSetReference>
               <reference value="https://fhir.nhs.uk/STU3/ValueSet/GPConnect-RequestPriority-1"/>
            </valueSetReference>
         </binding>
      </element>
      <element id="ReferralRequest.subject">
         <path value="ReferralRequest.subject"/>
         <short value="A reference to the patient who is the subject of the referral"/>
         <type>
            <code value="Reference"/>
            <targetProfile value="https://fhir.nhs.uk/STU3/StructureDefinition/CareConnect-GPC-Patient-1"/>
         </type>
      </element>
      <element id="ReferralRequest.context">
         <path value="ReferralRequest.context"/>
         <short value="The consultation within which the referral was recorded"/>
         <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>
         <mustSupport value="true"/>
      </element>
      <element id="ReferralRequest.authoredOn">
         <path value="ReferralRequest.authoredOn"/>
         <short value="The user entered date for the referral"/>
         <mustSupport value="true"/>
      </element>
      <element id="ReferralRequest.requester">
         <path value="ReferralRequest.requester"/>
         <short value="Who has administered the referral request"/>
         <mustSupport value="true"/>
      </element>
      <element id="ReferralRequest.requester.agent">
         <path value="ReferralRequest.requester.agent"/>
         <type>
            <code value="Reference"/>
            <targetProfile value="http://hl7.org/fhir/StructureDefinition/Device"/>
         </type>
         <type>
            <code value="Reference"/>
            <targetProfile value="https://fhir.hl7.org.uk/STU3/StructureDefinition/CareConnect-RelatedPerson-1"/>
         </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-Patient-1"/>
         </type>
         <type>
            <code value="Reference"/>
            <targetProfile value="https://fhir.nhs.uk/STU3/StructureDefinition/CareConnect-GPC-Practitioner-1"/>
         </type>
      </element>
      <element id="ReferralRequest.requester.onBehalfOf">
         <path value="ReferralRequest.requester.onBehalfOf"/>
         <type>
            <code value="Reference"/>
            <targetProfile value="https://fhir.nhs.uk/STU3/StructureDefinition/CareConnect-GPC-Organization-1"/>
         </type>
      </element>
      <element id="ReferralRequest.recipient">
         <path value="ReferralRequest.recipient"/>
         <type>
            <code value="Reference"/>
            <targetProfile value="https://fhir.hl7.org.uk/STU3/StructureDefinition/CareConnect-HealthcareService-1"/>
         </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>
         <mustSupport value="true"/>
      </element>
      <element id="ReferralRequest.reasonCode">
         <path value="ReferralRequest.reasonCode"/>
         <mustSupport value="true"/>
         <binding>
            <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName">
               <valueString value="ReferralReason"/>
            </extension>
            <strength value="required"/>
            <valueSetReference>
               <reference value="https://fhir.nhs.uk/STU3/ValueSet/ReasonForReferralSnCT-1"/>
            </valueSetReference>
         </binding>
      </element>
      <element id="ReferralRequest.reasonReference">
         <path value="ReferralRequest.reasonReference"/>
         <short value="The problem(s) linked to the referral"/>
         <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>
         <type>
            <code value="Reference"/>
            <targetProfile value="https://fhir.nhs.uk/STU3/StructureDefinition/CareConnect-GPC-ProblemHeader-Condition-1"/>
         </type>
      </element>
      <element id="ReferralRequest.description">
         <path value="ReferralRequest.description"/>
         <short value="The free text description for the referral"/>
         <mustSupport value="true"/>
      </element>
      <element id="ReferralRequest.supportingInfo">
         <path value="ReferralRequest.supportingInfo"/>
         <short value="The referral letter(s) and any other supporting documents or linked detail with relates to another resource which is not specifically defined to another referralRequest element"/>
         <mustSupport value="true"/>
      </element>
      <element id="ReferralRequest.note">
         <path value="ReferralRequest.note"/>
         <short value="Any additional information recorded against the referral"/>
         <definition value="This could include additional categorisation of the referral or notes recorded post referral such as details of progress or outcomes."/>
         <mustSupport value="true"/>
      </element>
      <element id="ReferralRequest.note.author[x]">
         <path value="ReferralRequest.note.author[x]"/>
         <type>
            <code value="string"/>
         </type>
         <type>
            <code value="Reference"/>
            <targetProfile value="https://fhir.hl7.org.uk/STU3/StructureDefinition/CareConnect-RelatedPerson-1"/>
         </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-Practitioner-1"/>
         </type>
      </element>
   </differential>
</StructureDefinition>