description: Indicates the age of the patient at a specific time package_name: hl7.fhir.us.dapl derivation: constraint name: DAPLAgeExtension type: Extension elements: url: type: uri pattern: {type: Uri, value: 'http://hl7.org/fhir/us/dapl/StructureDefinition/dapl-age-extension'} index: 0 value: choices: [valueQuantity, valueRange] index: 2 valueQuantity: {type: Quantity, choiceOf: value, index: 3} valueRange: {type: Range, choiceOf: value, index: 4} package_version: 1.0.0-ballot class: extension kind: complex-type url: http://hl7.org/fhir/us/dapl/StructureDefinition/dapl-age-extension base: http://hl7.org/fhir/StructureDefinition/Extension version: 1.0.0-ballot required: [valueRange, value, valueQuantity]