<status value="active" /> <publisher value="Nictiz" /> <contact> <name value="Nictiz" /> <telecom> <system value="url" /> <value value="https://www.nictiz.nl" /> <use value="work" /> </telecom> </contact> <description value="The repeated period in a cyclical schedule (of one or more dosing instructions). A cyclical schedule is noted in days, the corresponding dosing duration is also in days. The dosage instructions are interpreted differently if RepeatPeriodCyclicalSchedule is present. Therefore this extension is labeled as a modifier extension." /> <purpose value="This extension represents the RepeatPeriodCyclicalSchedule concept for implementations following the information standard [MP9](https://informatiestandaarden.nictiz.nl/wiki/Landingspagina_Medicatieproces). This extension should be used together with the [mp-InstructionsForUse.DosageInstructions](http://nictiz.nl/fhir/StructureDefinition/mp-InstructionsForUse.DosageInstructions) data type profile and [ext-RenderedDosageInstruction](http://nictiz.nl/fhir/StructureDefinition/ext-RenderedDosageInstruction) extension to fully implement the zib InstructionsForUse." /> <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="MedicationRequest" /> </context> <context> <type value="element" /> <expression value="MedicationDispense" /> </context> <context> <type value="element" /> <expression value="MedicationStatement" /> </context> <context> <type value="element" /> <expression value="Timing" /> </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" /> <isModifier value="true" /> <isModifierReason value="The dosage instructions are interpreted differently if RepeatPeriodCyclicalSchedule is present. Therefore this extension is labeled as a modifier extension." /> </element> <element id="Extension.url"> <path value="Extension.url" /> <fixedUri value="http://nictiz.nl/fhir/StructureDefinition/ext-InstructionsForUse.RepeatPeriodCyclicalSchedule" /> </element> <element id="Extension.value[x]"> <path value="Extension.value[x]" /> <short value="RepeatPeriodCyclicalSchedule" /> <definition value="The repeated period in a cyclical schedule (of one or more dosing instructions). A cyclical schedule is noted in days, the corresponding dosing duration is also in days. Examples of a cyclical schedule: contraceptive pill (21 days, 1 pill 1x a day, then skip for 7 days, repeat), repeat period here is 28 days" /> <alias value="HerhaalperiodeCyclischSchema" /> <type> <code value="Duration" /> </type> </element> </differential> </StructureDefinition>