Medical gas order: HeliOx 79/21 at 6 to 8 L/min via non-rebreather mask (grouped with medicationrequest0352) (id = "medrx0351")

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

<MedicationRequest xmlns="http://hl7.org/fhir">
  <id value="medrx0351"/> 
  <!--  Medical gas order: HeliOx, linked to the supplementary oxygen order medrx0352
   by groupIdentifier  -->
  <groupIdentifier> 
    <system value="urn:ietf:rfc:3986"/> 
    <value value="urn:uuid:8b7a3c6e-4d2f-4a1b-9e0c-5f6d7e8a9b10"/> 
  </groupIdentifier> 
  <status value="active"/> 
  <intent value="order"/> 
  <medication> 
    <concept> 
      <coding> 
        <system value="http://snomed.info/sct"/> 
        <code value="895694008"/> 
        <display value="Helium 0.79 mL/mL and oxygen 0.21 mL/mL gas for inhalation"/> 
      </coding> 
      <text value="HeliOx 79/21 (helium 79% / oxygen 21%)"/> 
    </concept> 
  </medication> 
  <subject> 
    <reference value="Patient/pat1"/> 
    <display value="Donald Duck"/> 
  </subject> 
  <authoredOn value="2026-02-10"/> 
  <requester> 
    <reference value="Practitioner/f007"/> 
  </requester> 
  <device> 
    <concept> 
      <coding> 
        <system value="http://snomed.info/sct"/> 
        <code value="427591007"/> 
        <display value="Nonrebreather oxygen mask"/> 
      </coding> 
    </concept> 
  </device> 
  <reason> 
    <concept> 
      <coding> 
        <system value="http://snomed.info/sct"/> 
        <code value="71186008"/> 
        <display value="Croup (disorder)"/> 
      </coding> 
    </concept> 
  </reason> 
  <dosageInstruction> 
    <renderedInstruction value="HeliOx 79/21 at 6 L/min (6 to 8 L/min) via non-rebreather mask"/> 
    <step> 
      <component> 
        <text value="HeliOx 79/21 at 6 L/min (6 to 8 L/min) via non-rebreather mask"/> 
        <route> 
          <coding> 
            <system value="http://snomed.info/sct"/> 
            <code value="447694001"/> 
            <display value="Respiratory tract route"/> 
          </coding> 
        </route> 
        <doseAndRate> 
          <rateRange> 
            <low> 
              <value value="6"/> 
              <unit value="L/min"/> 
              <system value="http://unitsofmeasure.org"/> 
              <code value="L/min"/> 
            </low> 
            <high> 
              <value value="8"/> 
              <unit value="L/min"/> 
              <system value="http://unitsofmeasure.org"/> 
              <code value="L/min"/> 
            </high> 
          </rateRange> 
        </doseAndRate> 
      </component> 
    </step> 
  </dosageInstruction> 
</MedicationRequest>