description: The date a status or observation was determined (date of determination). package_name: rs/hl7.fhir.us.ph derivation: constraint name: USPublicHealthDateDeterminedExtension type: Extension elements: url: pattern: {type: uri, value: 'http://hl7.org/fhir/us/ph-library/StructureDefinition/us-ph-date-determined-extension'} type: uri index: 0 value: short: Determination date choices: [valueDateTime] index: 2 valueDateTime: {type: dateTime, short: Determination date, choiceOf: value, index: 3} package_version: library-1.0.0-ballot class: extension kind: complex-type url: http://hl7.org/fhir/us/ph-library/StructureDefinition/us-ph-date-determined-extension base: http://hl7.org/fhir/StructureDefinition/Extension version: 1.0.0-ballot required: [value, valueDateTime]