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"?><ValueSet xmlns="http://hl7.org/fhir">
   <id value="CareConnect-AllergySeverity-1"/>
   <url value="https://fhir.nhs.uk/STU3/ValueSet/CareConnect-AllergySeverity-1"/>
   <version value="1.0.0"/>
   <name value="Care Connect Allergy Severity"/>
   <status value="active"/>
   <date value="2018-03-05T00:00:00+00:00"/>
   <publisher value="HL7 UK"/>
   <description value="A code from the SNOMED Clinical Terminology UK coding system that describes the severity of an allergy."/>
   <copyright value="This value set includes content from SNOMED CT, which is copyright © 2002+ International Health Terminology Standards Development Organisation (IHTSDO), and distributed by agreement between IHTSDO and HL7. Implementer use of SNOMED CT is not covered by this agreement."/>
         <system value="http://snomed.info/sct"/>
            <property value="constraint"/>
            <op value="="/>
            <value value="(255604002 |Mild| OR 6736007 |Moderate| OR 24484000 |Severe| OR 399166001 |Fatal| 442452003 |Life threatening severity|)"/>