Supplementary oxygen administered via the nasal cannula requested in medicationrequest0352 (Device whose definition is the requested DeviceDefinition)

{
  "resourceType" : "MedicationAdministration",
  "id" : "medadmin0315",
  "contained" : [{
    "resourceType" : "Device",
    "id" : "cannula",
    "definition" : "http://example.org/fhir/DeviceDefinition/oxygen-nasal-cannula",
    "status" : "active",
    "name" : [{
      "value" : "Oxygen nasal cannula",
      "type" : {
        "coding" : [{
          "system" : "http://terminology.hl7.org/CodeSystem/device-nametype",
          "code" : "user-friendly-name"
        }]
      }
    }],
    "type" : [{
      "coding" : [{
        "system" : "http://snomed.info/sct",
        "code" : "336623009",
        "display" : "Oxygen nasal cannula"
      }]
    }]
  }],
  "status" : "completed",
  "medication" : {
    "concept" : {
      "coding" : [{
        "system" : "http://snomed.info/sct",
        "code" : "320917000",
        "display" : "Oxygen only product in gas for inhalation"
      }]
    }
  },
  "subject" : {
    "reference" : "Patient/pat1",
    "display" : "Donald Duck"
  },
  "occurrencePeriod" : {
    "start" : "2026-02-10T14:20:00+01:00",
    "end" : "2026-02-10T18:00:00+01:00"
  },
  "performer" : [{
    "actor" : {
      "reference" : {
        "reference" : "Practitioner/f007"
      }
    }
  }],
  "request" : {
    "reference" : "MedicationRequest/medrx0352"
  },
  "device" : [{
    "reference" : {
      "reference" : "#cannula"
    }
  }],
  "dosage" : {
    "text" : "Oxygen 2 L/min via nasal cannula (SpO2 below 88%)",
    "route" : {
      "coding" : [{
        "system" : "http://snomed.info/sct",
        "code" : "447694001",
        "display" : "Respiratory tract route"
      }]
    },
    "rateQuantity" : {
      "value" : 2,
      "unit" : "L/min",
      "system" : "http://unitsofmeasure.org",
      "code" : "L/min"
    }
  }
}