description: An extension to carry a code to indicate the patient's occupation. package_name: fhir.r4.wales.stu1 derivation: constraint name: ExtensionDataStandardsWalesOccupation type: Extension elements: url: pattern: {type: uri, value: 'https://fhir.nhs.wales/StructureDefinition/Extension-DataStandardsWales-Occupation'} type: uri index: 0 value: short: Person's occupation code choices: [valueCodeableConcept] index: 2 valueCodeableConcept: {type: CodeableConcept, short: Person's occupation code, choiceOf: value, index: 3} package_version: 0.1.1-ballot class: extension kind: complex-type url: https://fhir.nhs.wales/StructureDefinition/Extension-DataStandardsWales-Occupation base: http://hl7.org/fhir/StructureDefinition/Extension version: 0.1.0