description: An assigned sequence code, uniquely identifying a Health Card issued (or potentially issued) to a Registered Person package_name: ontariomicdrfhirimplementationguide-0.10.00 derivation: constraint name: HealthCardVersionCode type: Extension elements: url: pattern: {type: Uri, value: 'http://ontariohealth.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: 0.9.10-beta class: extension kind: complex-type url: http://ontariohealth.ca/fhir/StructureDefinition/ext-id-health-card-version-code base: http://hl7.org/fhir/StructureDefinition/Extension version: 0.9.0 required: [valueString, value]