<?xml version=“1.0” encoding=“UTF-8”?><RequestGroup xmlns=“hl7.org/fhir”>

<id value="kdn5-example"/>
<text>
  <status value="generated"/>
  <div xmlns="http://www.w3.org/1999/xhtml">Administer gemcitabine and carboplatin.</div>
</text>
<contained>
  <MedicationRequest>
    <id value="1111"/>
    <intent value="proposal"/>
    <medicationCodeableConcept>
      <coding>
        <system value="http://www.nlm.nih.gov/research/umls/rxnorm"/>
        <code value="12574"/>
        <display value="gemcitabine"/>
      </coding>
      <text value="gemcitabine"/>
    </medicationCodeableConcept>
    <subject>
      <reference value="Patient/example"/>
    </subject>
    <dosageInstruction>
      <text value="1250 mg/m&#xB2; IV over 30 minutes"/>
      <timing>
        <repeat>
          <duration value="30"/>
          <durationUnit value="min"/>
        </repeat>
      </timing>
      <route>
        <text value="IV"/>
      </route>
      <doseQuantity>
        <value value="1250"/>
        <unit value="mg/m&#xB2;"/>
      </doseQuantity>
    </dosageInstruction>
  </MedicationRequest>
</contained>
<contained>
  <MedicationRequest>
    <id value="2222"/>
    <intent value="proposal"/>
    <medicationCodeableConcept>
      <coding>
        <system value="http://www.nlm.nih.gov/research/umls/rxnorm"/>
        <code value="40048"/>
        <display value="Carboplatin"/>
      </coding>
      <text value="CARBOplatin"/>
    </medicationCodeableConcept>
    <subject>
      <reference value="Patient/example"/>
    </subject>
    <dosageInstruction>
      <text value="AUC 5 IV over 30 minutes"/>
      <timing>
        <repeat>
          <duration value="30"/>
          <durationUnit value="min"/>
        </repeat>
      </timing>
      <route>
        <text value="IV"/>
      </route>
      <doseQuantity>
        <!--  AUC as dose unit or as an extension?  -->
        <extension url="http://example.org/fhir/AUC-dose">
          <valueInteger value="5"/>
        </extension>
        <!--  <value value="5" />
        <unit value="AUC" />
        <system value="http://snomed.info/sct" />
        <code value="413573002" />  -->
      </doseQuantity>
    </dosageInstruction>
  </MedicationRequest>
</contained>
<identifier>
  <value value="requestgroup-kdn5"/>
</identifier>  
<definition>
  <reference value="PlanDefinition/KDN5"/>
</definition>
<status value="draft"/>
<intent value="plan"/>
<priority value="routine"/>
<subject>
  <reference value="Patient/example"/>
</subject>
<context>
  <reference value="Encounter/example"/>
</context>
<authoredOn value="2017-03-06T17:31:00Z"/>
<author>
  <reference value="Practitioner/1"/>
</author>

<action>
  <!--  list of regimen options. in this case only one  -->
  <selectionBehavior value="exactly-one"/>
  <action>
    <!--  list of regimen parts. in this case only one  -->
    <selectionBehavior value="all"/>
    <action>
      <!--  list of cycle definitions. in this case only one  -->
      <groupingBehavior value="sentence-group"/>
      <selectionBehavior value="exactly-one"/>
      <action id="cycle-definition-1">
        <textEquivalent value="21-day cycle for 6 cycles"/>

        <timingTiming>
          <repeat>
            <count value="6"/>
            <duration value="21"/>
            <durationUnit value="d"/>
          </repeat>
        </timingTiming>

        <!--  list of regimen entry references for this regimen part  -->
        <!--  references would duplicated in each cycle definition option
        (see http://build.fhir.org/codesystem-action-grouping-behavior.html#sentence-group) -->
        <action id="action-1">
          <extension url="http://hl7.org/fhir/StructureDefinition/timing-daysOfCycle">
            <extension url="day">
              <valueInteger value="1"/>
            </extension>
            <extension url="day">
              <valueInteger value="8"/>
            </extension>
          </extension>
          <textEquivalent value="Gemcitabine 1250 mg/m&#xB2; IV over 30 minutes on days 1 and 8"/>
          <resource>
            <reference value="#1111"/>
          </resource>
        </action>
        <action id="action-2">
          <extension url="http://hl7.org/fhir/StructureDefinition/timing-daysOfCycle">
            <extension url="day">
              <valueInteger value="1"/>
            </extension>
          </extension>
          <textEquivalent value="CARBOplatin AUC 5 IV over 30 minutes on Day 1"/>
          <relatedAction>
            <actionId value="action-1"/>
            <relationship value="concurrent-with-start"/>
                      </relatedAction>
          <resource>
            <reference value="#2222"/>
          </resource>
        </action> <!--  end of regimen entries  -->
      </action> <!--  end of cycle definitions  -->
    </action> <!--  end of regimen parts  -->
  </action> <!--  end of regimen options  -->
</action>

</RequestGroup>