description: This extension shows immunisation medication. package_name: fhir.r4.wales.test derivation: constraint name: ExtensionDataStandardsWalesAdministeredProduct type: Extension elements: extension: {index: 0} url: pattern: {type: Uri, value: 'https://fhir.nhs.wales/StructureDefinition/Extension-DataStandardsWales-AdministeredProduct'} index: 1 value: choices: [valueReference] index: 3 valueReference: type: Reference choiceOf: value refers: ['https://fhir.nhs.wales/StructureDefinition/DataStandardsWales-Medication'] index: 4 package_version: 2.3.0 extensions: {} class: extension kind: complex-type url: https://fhir.nhs.wales/StructureDefinition/Extension-DataStandardsWales-AdministeredProduct base: http://hl7.org/fhir/StructureDefinition/Extension version: 0.1.0