{
  "resourceType" : "Observation",
  "id" : "BodySurfaceAreaObservationExample",
  "meta" : {
    "profile" : ["https://nshr-uat.sha.go.ke/fhir/StructureDefinition/nccp-body-surface-area-observation"]
  },
  "language" : "en",
  "text" : {
    "status" : "generated",
    "div" : "<div xmlns=\"http://www.w3.org/1999/xhtml\"><p>BSA 1.75 m² calculated by Mosteller formula (height 165 cm, weight 70 kg) pre-cycle 1</p></div>"
  },
  "status" : "final",
  "category" : [{
    "coding" : [{
      "system" : "http://terminology.hl7.org/CodeSystem/observation-category",
      "code" : "vital-signs",
      "display" : "Vital Signs"
    }]
  }],
  "code" : {
    "coding" : [{
      "system" : "https://nshr-uat.sha.go.ke/fhir/CodeSystem/sha-interventions-cs",
      "code" : "SHA-ONCOLOGY-CONSULT",
      "display" : "SHA: Oncology Consultation"
    }]
  },
  "subject" : {
    "reference" : "Patient/example-patient"
  },
  "encounter" : {
    "reference" : "Encounter/example-encounter"
  },
  "effectiveDateTime" : "2026-01-10",
  "performer" : [{
    "reference" : "Practitioner/example-practitioner"
  }],
  "valueQuantity" : {
    "value" : 1.75,
    "unit" : "m2",
    "system" : "http://unitsofmeasure.org",
    "code" : "m2"
  },
  "method" : {
    "coding" : [{
      "system" : "https://nshr-uat.sha.go.ke/fhir/CodeSystem/bsa-formula-cs",
      "code" : "MOSTELLER",
      "display" : "Mosteller"
    }]
  }
}