description: An assigned sequence code, uniquely identifying a Health Card issued (or potentially issued) to a Registered Person package_name: ca.on.oh-olis derivation: constraint name: HealthCardVersionCode type: Extension elements: url: pattern: {type: Uri, value: 'http://ehealthontario.ca/fhir/StructureDefinition/ext-id-health-card-version-code'} index: 0 value: mustSupport: true choices: [valueString] index: 2 valueString: {type: string, mustSupport: true, choiceOf: value, index: 3} package_version: 2.0.0-0.0.1 class: extension kind: complex-type url: http://ehealthontario.ca/fhir/StructureDefinition/ext-id-health-card-version-code base: http://hl7.org/fhir/StructureDefinition/Extension version: null required: [valueString, value]