description: An extension to carry the specialty of a practitioner that would be required to perform the service requested in this appointment package_name: fhir.r4.wales.test derivation: constraint name: ExtensionDataStandardsWalesSpeciality type: Extension elements: url: pattern: {type: uri, value: 'https://fhir.nhs.wales/StructureDefinition/Extension-DataStandardsWales-Speciality'} type: uri index: 0 value: short: The specialty of a practitioner that would be required to perform the service requested at this encounter mustSupport: false choices: [valueCodeableConcept] index: 2 valueCodeableConcept: {type: CodeableConcept, short: The specialty of a practitioner that would be required to perform the service requested at this encounter, mustSupport: false, choiceOf: value, index: 3} package_version: 1.0.0 class: extension kind: complex-type url: https://fhir.nhs.wales/StructureDefinition/Extension-DataStandardsWales-Speciality base: http://hl7.org/fhir/StructureDefinition/Extension version: null