description: The date and time when the adverse event was discovered. package_name: hl7.fhir.us.qicore derivation: constraint name: discovery date time type: Extension elements: url: pattern: {type: Uri, value: 'http://hl7.org/fhir/qicore/StructureDefinition/adverseevent-discoveryDateTime'} index: 0 value: choices: [valueDateTime] index: 2 valueDateTime: {type: dateTime, choiceOf: value, index: 3} package_version: 1.6.0 class: extension kind: complex-type url: http://hl7.org/fhir/qicore/StructureDefinition/adverseevent-discoveryDateTime base: http://hl7.org/fhir/StructureDefinition/Extension version: null