<status value="draft" /> <publisher value="Nictiz" /> <contact> <name value="Nictiz" /> <telecom> <system value="url" /> <value value="https://www.nictiz.nl" /> <use value="work" /> </telecom> </contact> <description value="An extension to provide the period of time between the moment of exposure to the substance and the onset of the undesirable reaction." /> <purpose value="This extension represents the LatencyTime concept for implementations following the information standard [CiO](https://informatiestandaarden.nictiz.nl/wiki/Landingspagina_Contra-indicaties_en_Overgevoeligheden)." /> <copyright value="Copyright and related rights waived via CC0, https://creativecommons.org/publicdomain/zero/1.0/. This does not apply to information from third parties, for example a medical terminology system. The implementer alone is responsible for identifying and obtaining any necessary licenses or authorizations to utilize third party IP in connection with the specification or otherwise." /> <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" /> <max value="1" /> </element> <element id="Extension.url"> <path value="Extension.url" /> <fixedUri value="http://nictiz.nl/fhir/StructureDefinition/ext-Reaction.LatencyTime" /> </element> <element id="Extension.value[x]"> <path value="Extension.value[x]" /> <slicing> <discriminator> <type value="type" /> <path value="$this" /> </discriminator> <rules value="open" /> </slicing> <short value="LatencyTime" /> <definition value="The period of time between the moment of exposure to the substance and the onset of the undesirable reaction." /> <alias value="LatentieTijd" /> <type> <code value="Quantity" /> </type> <type> <code value="Range" /> </type> </element> <element id="Extension.value[x]:valueRange"> <path value="Extension.value[x]" /> <sliceName value="valueRange" /> <type> <code value="Range" /> </type> </element> <element id="Extension.value[x]:valueRange.low"> <path value="Extension.value[x].low" /> <short value="minimumValue" /> <definition value="The minimal value of the range. The boundary is inclusive." /> <alias value="minimumWaarde" /> </element> <element id="Extension.value[x]:valueRange.high"> <path value="Extension.value[x].high" /> <short value="maximumValue" /> <definition value="The maximum value of the range. The boundary is inclusive." /> </element> <element id="Extension.value[x]:valueQuantity"> <path value="Extension.value[x]" /> <sliceName value="valueQuantity" /> <short value="nominalValue" /> <definition value="The nominal value of the quantity. This element can not be used in combination with a minimum and maximum value." /> <alias value="nominaleWaarde" /> <type> <code value="Quantity" /> <profile value="http://hl7.org/fhir/StructureDefinition/SimpleQuantity" /> </type> </element> </differential> </StructureDefinition>