description: 'Extension Type: Optional Extension Element - found in all resources.' package_name: fhir.r4.spirecore derivation: constraint name: ExtensionSpireCorePatientJourneyStage type: Extension elements: extension: {index: 0} url: pattern: {type: Uri, value: 'https://www.spirehealthcare.com/fhir/StructureDefinition/Extension-SpireCore-PatientJourneyStage'} index: 1 value: choices: [valueCode] index: 3 valueCode: {type: code, choiceOf: value, index: 4} package_version: 0.1.0-alpha extensions: {} class: extension kind: complex-type url: https://www.spirehealthcare.com/fhir/StructureDefinition/Extension-SpireCore-PatientJourneyStage base: http://hl7.org/fhir/StructureDefinition/Extension version: null required: [valueCode, value]