Request for a medication that is intended to be given as a single, once only dose (id = "medrx0332")

<?xml version="1.0" encoding="UTF-8"?>

<MedicationRequest xmlns="http://hl7.org/fhir">
  <id value="medrx0332"/> 
  <contained> 
    <Medication> 
      <id value="med03499"/> 
      <code> 
        <coding> 
          <system value="http://snomed.info/sct"/> 
          <code value="375860009"/> 
          <display value="Ceftriaxone (as ceftriaxone sodium) 500 mg powder for solution for injection vial"/> 
        </coding> 
      </code> 
    </Medication> 
  </contained> 
  <identifier> 
    <use value="official"/> 
    <system value="http://www.bmc.nl/portal/prescriptions"/> 
    <value value="12345689"/> 
  </identifier> 
  <basedOn> 
    <reference value="CarePlan/gpvisit"/> 
  </basedOn> 
  <groupIdentifier> 
    <use value="official"/> 
    <system value="http://www.bmc.nl/portal/prescriptions"/> 
    <value value="983939393"/> 
  </groupIdentifier> 
  <status value="active"/> 
  <intent value="order"/> 
  <medication> 
    <!--  Linked to a RESOURCE Medication  -->
    <reference> 
      <reference value="#med03499"/> 
    </reference> 
  </medication> 
  <subject> 
    <!--  Linked to the resource patient who needs the medication  -->
    <reference value="Patient/pat1"/> 
    <display value="Donald Duck"/> 
  </subject> 
  <encounter> 
    <!--  Linked to a resource Encounter between patient and practitioner  -->
    <reference value="Encounter/f001"/> 
    <display value="encounter who leads to this prescription"/> 
  </encounter> 
  <authoredOn value="2015-01-15"/> 
  <requester> 
    <reference value="Practitioner/f007"/> 
    <display value="Patrick Pump"/> 
  </requester> 
  <dosageInstruction> 
    <step> 
      <component> 
        <text value="Administer 500mg IM as a single dose"/> 
        <timing> 
          <repeat> 
            <count value="1"/> 
          </repeat> 
        </timing> 
        <route> 
          <coding> 
            <system value="http://snomed.info/sct"/> 
            <code value="255559005"/> 
            <display value="Intramuscular (qualifier value)"/> 
          </coding> 
        </route> 
        <doseAndRate> 
          <type> 
            <coding> 
              <system value="http://terminology.hl7.org/CodeSystem/dose-rate-type"/> 
              <code value="ordered"/> 
              <display value="Ordered"/> 
            </coding> 
          </type> 
          <doseQuantity> 
            <value value="500"/> 
            <unit value="mg"/> 
            <system value="http://unitsofmeasure.org"/> 
            <code value="mg"/> 
          </doseQuantity> 
        </doseAndRate> 
      </component> 
    </step> 
  </dosageInstruction> 
</MedicationRequest>