<status value="draft" /> <date value="2025-10-10" /> <publisher value="NHS Wales" /> <contact> <name value="FHIR Standards" /> <telecom> <system value="email" /> <value value="fhir.standards@wales.nhs.uk" /> <use value="work" /> <rank value="1" /> </telecom> </contact> <description value="An extension to capture the clinic code." /> <purpose value="This extension shows the clinic code." /> <copyright value="2025 NHS Wales" /> <fhirVersion value="4.0.1" /> <kind value="complex-type" /> <abstract value="false" /> <context> <type value="element" /> <expression value="Appointment" /> </context> <type value="Extension" /> <baseDefinition value="http://hl7.org/fhir/StructureDefinition/Extension" /> <derivation value="constraint" /> <differential> <element id="Extension.extension"> <path value="Extension.extension" /> <max value="0" /> </element> <element id="Extension.url"> <path value="Extension.url" /> <fixedUri value="https://fhir.nhs.wales/StructureDefinition/Extension-DataStandardsWales-ClinicCode" /> </element> <element id="Extension.value[x]"> <path value="Extension.value[x]" /> <type> <code value="string" /> </type> </element> </differential> </StructureDefinition>