<status value="draft" /> <description value="This profile describes the Dosage constraints for MERT needed to help support MedicationRequest (MERT) resource." /> <fhirVersion value="4.0.1" /> <kind value="complex-type" /> <abstract value="false" /> <type value="Dosage" /> <baseDefinition value="http://hl7.org/fhir/StructureDefinition/Dosage" /> <derivation value="constraint" /> <differential> <element id="Dosage.text"> <path value="Dosage.text" /> <mustSupport value="true" /> </element> <element id="Dosage.asNeeded[x]"> <path value="Dosage.asNeeded[x]" /> <slicing> <discriminator> <type value="type" /> <path value="$this" /> </discriminator> <ordered value="false" /> <rules value="open" /> </slicing> <mustSupport value="true" /> </element> <element id="Dosage.asNeeded[x]:asNeededBoolean"> <path value="Dosage.asNeeded[x]" /> <sliceName value="asNeededBoolean" /> <min value="0" /> <max value="1" /> <type> <code value="boolean" /> </type> <mustSupport value="true" /> </element> <element id="Dosage.route"> <path value="Dosage.route" /> <mustSupport value="true" /> </element> <element id="Dosage.doseAndRate"> <path value="Dosage.doseAndRate" /> <mustSupport value="true" /> </element> <element id="Dosage.doseAndRate.dose[x]"> <path value="Dosage.doseAndRate.dose[x]" /> <slicing> <discriminator> <type value="type" /> <path value="$this" /> </discriminator> <ordered value="false" /> <rules value="open" /> </slicing> <mustSupport value="true" /> </element> <element id="Dosage.doseAndRate.dose[x]:doseRange"> <path value="Dosage.doseAndRate.dose[x]" /> <sliceName value="doseRange" /> <min value="0" /> <max value="1" /> <type> <code value="Range" /> </type> <mustSupport value="true" /> </element> <element id="Dosage.doseAndRate.dose[x]:doseQuantity"> <path value="Dosage.doseAndRate.dose[x]" /> <sliceName value="doseQuantity" /> <min value="0" /> <max value="1" /> <type> <code value="Quantity" /> <profile value="http://hl7.org/fhir/StructureDefinition/SimpleQuantity" /> </type> <mustSupport value="true" /> </element> <element id="Dosage.doseAndRate.rate[x]"> <path value="Dosage.doseAndRate.rate[x]" /> <slicing> <discriminator> <type value="type" /> <path value="$this" /> </discriminator> <ordered value="false" /> <rules value="open" /> </slicing> <mustSupport value="true" /> </element> <element id="Dosage.doseAndRate.rate[x]:rateRatio"> <path value="Dosage.doseAndRate.rate[x]" /> <sliceName value="rateRatio" /> <min value="0" /> <max value="1" /> <type> <code value="Ratio" /> </type> <mustSupport value="true" /> </element> <element id="Dosage.doseAndRate.rate[x]:rateRange"> <path value="Dosage.doseAndRate.rate[x]" /> <sliceName value="rateRange" /> <min value="0" /> <max value="1" /> <type> <code value="Range" /> </type> <mustSupport value="true" /> </element> <element id="Dosage.doseAndRate.rate[x]:rateQuantity"> <path value="Dosage.doseAndRate.rate[x]" /> <sliceName value="rateQuantity" /> <min value="0" /> <max value="1" /> <type> <code value="Quantity" /> <profile value="http://hl7.org/fhir/StructureDefinition/SimpleQuantity" /> </type> <mustSupport value="true" /> </element> </differential> </StructureDefinition>