description: 'Extension: Reaction Duration' package_name: il.core.fhir.r4.2023 derivation: constraint name: ReactionDuration type: Extension elements: extension: {index: 0} url: pattern: {type: Uri, value: 'http://fhir.health.gov.il/StructureDefinition/ext-reaction-duration'} index: 1 value: choices: [valueDuration] index: 3 valueDuration: {type: Duration, choiceOf: value, index: 4} package_version: 0.1.0 extensions: {} class: extension kind: complex-type url: http://fhir.health.gov.il/StructureDefinition/ext-reaction-duration base: http://hl7.org/fhir/StructureDefinition/Extension version: 0.12.1