{
  "resourceType": "Observation",
  "id": "example-peak-flow-simple",
  "meta": {
    "profile": [
      "https://gematik.de/fhir/hddt/StructureDefinition/hddt-lung-function-testing"
    ]
  },
  "valueQuantity": {
    "system": "http://unitsofmeasure.org",
    "value": 612,
    "code": "L/min",
    "unit": "L/min"
  },
  "status": "final",
  "code": {
    "coding": [
      {
        "code": "19935-6",
        "system": "http://loinc.org",
        "display": "Maximum expiratory gas flow Respiratory system airway by Peak flow meter"
      }
    ]
  },
  "effectiveDateTime": "2025-12-28T08:00:00Z",
  "device": {
    "reference": "Device/example-device-peak-flow-meter"
  }
}