description: A code that identifies the priority of the alert, for example the Alert Priority flags column in IHE PCD TF 2 Table B.8-4. package_name: hl7.fhir.uv.extensions derivation: constraint name: FlagPriority type: Extension elements: extension: {index: 0} url: pattern: {type: Uri, value: 'http://hl7.org/fhir/StructureDefinition/flag-priority'} index: 1 value: choices: [valueCodeableConcept] index: 3 valueCodeableConcept: {type: CodeableConcept, choiceOf: value, index: 4} package_version: 5.1.0-snapshot1 extensions: {} class: extension kind: complex-type url: http://hl7.org/fhir/StructureDefinition/flag-priority base: http://hl7.org/fhir/StructureDefinition/Extension version: 5.1.0-snapshot1 required: [value, valueCodeableConcept]