<status value="active" /> <date value="2026-03-23" /> <publisher value="Israel Core Team" /> <contact> <telecom> <system value="email" /> <value value="tal.primak@moh.gov.il" /> </telecom> </contact> <description value="Extension: Reaction Duration" /> <fhirVersion value="4.0.1" /> <kind value="complex-type" /> <abstract value="false" /> <context> <type value="element" /> <expression value="AllergyIntolerance.reaction" /> </context> <type value="Extension" /> <baseDefinition value="http://hl7.org/fhir/StructureDefinition/Extension" /> <derivation value="constraint" /> <differential> <element id="Extension"> <path value="Extension" /> <short value="Ext: Reaction Duration" /> <definition value="Extension: Reaction Duration" /> </element> <element id="Extension.extension"> <path value="Extension.extension" /> <max value="0" /> </element> <element id="Extension.url"> <path value="Extension.url" /> <fixedUri value="http://fhir.health.gov.il/StructureDefinition/ext-reaction-duration" /> </element> <element id="Extension.value[x]"> <path value="Extension.value[x]" /> <type> <code value="Duration" /> </type> <example> <label value="Valid Example" /> <valueDuration> <value value="3" /> <system value="http://unitsofmeasure.org" /> <code value="a" /> </valueDuration> </example> </element> </differential> </StructureDefinition>