<status value="draft" /> <date value="2023-09-21T13:26:41.2566819+00:00" /> <publisher value="Precision Oncology Project (USZ)" /> <description value="Number of planned and structured sequences of medical interventions, often involving medications or therapies, administered to patients over a specific period to manage their medical conditions, such as cancer or chronic diseases." /> <fhirVersion value="4.0.1" /> <kind value="complex-type" /> <abstract value="false" /> <context> <type value="element" /> <expression value="MedicationAdministration" /> </context> <type value="Extension" /> <baseDefinition value="http://hl7.org/fhir/StructureDefinition/Extension" /> <derivation value="constraint" /> <differential> <element id="Extension"> <path value="Extension" /> <short value="Number of treatment cycles extension" /> <definition value="Extension describing the total number of treatment cycles during a period of medication administration." /> <isModifier value="false" /> </element> <element id="Extension.url"> <path value="Extension.url" /> <fixedUri value="https://pop.org/fhir/StructureDefinition/pop-treatment-cycles" /> </element> <element id="Extension.value[x]"> <path value="Extension.value[x]" /> <label value="treatmentCycles" /> <short value="Number of treatment cycles" /> <definition value="The total number of treatment cycles during a period of medication administration." /> <min value="1" /> <type> <code value="positiveInt" /> </type> <isModifier value="false" /> </element> </differential> </StructureDefinition>