description: null package_name: gdr.lab derivation: constraint name: ReteLabAddressCodiceISTAT type: Extension elements: url: pattern: {type: Uri, value: 'https://fhir.siss.regione.lombardia.it/StructureDefinition/ReteLabAddressCodiceISTAT'} index: 0 value: choices: [valueCode, valueInteger, valueString, valueCodeableConcept] index: 2 valueCode: {type: code, choiceOf: value, index: 3} valueInteger: {type: integer, choiceOf: value, index: 4} valueString: {type: string, choiceOf: value, index: 5} valueCodeableConcept: {type: CodeableConcept, choiceOf: value, index: 6} package_version: 1.3.4 class: extension kind: complex-type url: https://fhir.siss.regione.lombardia.it/StructureDefinition/ReteLabAddressCodiceISTAT base: http://hl7.org/fhir/StructureDefinition/Extension version: 1.3.4