<status value="draft" /> <date value="2026-06-23" /> <publisher value="NHS England" /> <description value="Derived profile from FHIR R4 Communication for NHS Health Check Online. Enforces status=completed and requires a category from http://terminology.hl7.org/ValueSet/communication-category. Conveys interim update notifications to GP practice." /> <fhirVersion value="4.0.1" /> <kind value="resource" /> <abstract value="false" /> <type value="Communication" /> <baseDefinition value="http://hl7.org/fhir/StructureDefinition/Communication" /> <derivation value="constraint" /> <differential> <element id="Communication"> <path value="Communication" /> </element> <element id="Communication.status"> <path value="Communication.status" /> <min value="1" /> <fixedCode value="completed" /> </element> <element id="Communication.category"> <path value="Communication.category" /> <min value="1" /> <binding> <strength value="required" /> <valueSet value="http://terminology.hl7.org/ValueSet/communication-category" /> </binding> </element> <element id="Communication.subject"> <path value="Communication.subject" /> <min value="1" /> <type> <code value="Reference" /> <targetProfile value="https://fhir.hl7.org.uk/StructureDefinition/UKCore-Patient" /> </type> </element> <element id="Communication.encounter"> <path value="Communication.encounter" /> <min value="1" /> </element> <element id="Communication.sent"> <path value="Communication.sent" /> <min value="1" /> </element> <element id="Communication.recipient"> <path value="Communication.recipient" /> <min value="1" /> </element> <element id="Communication.sender"> <path value="Communication.sender" /> <min value="1" /> </element> <element id="Communication.payload"> <path value="Communication.payload" /> <min value="1" /> </element> <element id="Communication.payload.content[x]"> <path value="Communication.payload.content[x]" /> <type> <code value="string" /> </type> </element> </differential> </StructureDefinition>