<MedicationRequest xmlns="http://hl7.org/fhir"><id value="medrx0351"/><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>