description: This Extension profile represents the date a status or observation was recorded (recorded date). package_name: hl7.fhir.us.ph derivation: constraint name: USPublicHealthDateRecordedExtension type: Extension elements: extension: {index: 0} url: pattern: {type: Uri, value: 'http://hl7.org/fhir/us/ph-library/StructureDefinition/us-ph-date-recorded-extension'} index: 1 value: short: Recorded date choices: [valueDateTime] index: 3 valueDateTime: {type: dateTime, short: Recorded date, choiceOf: value, index: 4} package_version: library-1.0.0 extensions: {} class: extension kind: complex-type url: http://hl7.org/fhir/us/ph-library/StructureDefinition/us-ph-date-recorded-extension base: http://hl7.org/fhir/StructureDefinition/Extension version: 1.0.0 required: [valueDateTime, value]