description: This CH ELM extension enables to proivde the HIV Code. package_name: ch.fhir.ig.ch-elm derivation: constraint name: ChElmExtHivCode type: Extension elements: extension: {index: 0} url: pattern: {type: uri, value: 'http://fhir.ch/ig/ch-elm/StructureDefinition/ch-elm-ext-hiv-code'} type: uri index: 1 value: short: Name of the HIV code maxLength: 2 choices: [valueString] index: 3 valueString: {type: string, short: Name of the HIV code, maxLength: 2, choiceOf: value, index: 4} package_version: 1.10.0 extensions: {} class: extension kind: complex-type url: http://fhir.ch/ig/ch-elm/StructureDefinition/ch-elm-ext-hiv-code base: http://hl7.org/fhir/StructureDefinition/Extension version: 1.10.0 required: [value, valueString]