{
  "resourceType": "Observation",
  "id": "observation-19",
  "status": "final",
  "category": [
    {
      "coding": [
        {
          "system": "http://terminology.hl7.org/CodeSystem/observation-category",
          "code": "vital-signs",
          "display": "Vital Signs"
        }
      ],
      "text": "Vital Signs"
    }
  ],
  "code": {
    "coding": [
      {
        "system": "http://loinc.org",
        "code": "2708-6",
        "display": "Oxygen saturation in Arterial blood"
      },
      {
        "system": "http://loinc.org",
        "code": "59408-5",
        "display": "Oxygen saturation in Arterial blood by Pulse oximetry"
      },
      {
        "system": "http://snomed.info/sct",
        "code": "103228002",
        "display": "Hemoglobin saturation with oxygen"
      }
    ],
    "text": "Oxygen saturation"
  },
  "subject": {
    "reference": "Patient/patient-1",
    "display": "Example, Anne"
  },
  "valueQuantity": {
    "value": 98,
    "unit": "%",
    "system": "http://unitsofmeasure.org",
    "code": "%"
  },
  "encounter": {
    "reference": "Encounter/encounter-4",
    "display": "GP appointment"
  },
  "effectiveDateTime": "2023-06-14T12:53:49Z",
  "performer": [
    {
      "reference": "Practitioner/practitioner-1",
      "display": "Dr Maria Hernandez"
    }
  ],
  "note": [
    {
      "text": "98% on air"
    }
  ]
}