<status value="draft" /> <description value="The quantity of the ingredient within the medication, eg compound" /> <purpose value="Quantity provides a detailed understanding of the amount of each ingredient in a medication" /> <fhirVersion value="4.0.1" /> <kind value="complex-type" /> <abstract value="false" /> <context> <type value="element" /> <expression value="Medication.ingredient" /> </context> <type value="Extension" /> <baseDefinition value="http://hl7.org/fhir/StructureDefinition/Extension" /> <derivation value="constraint" /> <differential> <element id="Extension.url"> <path value="Extension.url" /> <fixedUri value="http://pharmacyeclaims.ca/FHIR/v1.0/StructureDefinition/ext-IngredientQuantity" /> </element> <element id="Extension.value[x]"> <path value="Extension.value[x]" /> <comment value="Usage Note: The quantity and unit must be specified when known CPHA Map: None - new data element" /> <min value="1" /> <type> <code value="Quantity" /> </type> <mustSupport value="true" /> </element> </differential> </StructureDefinition>