description: A string assigned by the UMO to an authorized review outcome associated with this service item. package_name: rs/hl7.fhir.us.davinci derivation: constraint name: AuthorizationNumber type: Extension elements: extension: {index: 0} url: pattern: {type: uri, value: 'http://hl7.org/fhir/us/davinci-pas/StructureDefinition/extension-authorizationNumber'} type: uri index: 1 value: choices: [valueString] index: 3 valueString: {type: string, choiceOf: value, index: 4} package_version: pas-1.1.0 extensions: {} class: extension kind: complex-type url: http://hl7.org/fhir/us/davinci-pas/StructureDefinition/extension-authorizationNumber base: http://hl7.org/fhir/StructureDefinition/Extension version: 1.1.0