{
  "resourceType": "Observation",
  "id": "binet-stage-group-B",
  "meta": {
    "profile": [
      "http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-cancer-stage"
    ]
  },
  "status": "final",
  "category": [
    {
      "coding": [
        {
          "code": "laboratory",
          "system": "http://terminology.hl7.org/CodeSystem/observation-category"
        }
      ]
    }
  ],
  "code": {
    "coding": [
      {
        "code": "C141212",
        "system": "http://ncicb.nci.nih.gov/xml/owl/EVS/Thesaurus.owl",
        "display": "Binet Stage"
      }
    ]
  },
  "subject": {
    "reference": "Patient/example"
  },
  "focus": [
    {
      "reference": "Condition/primary-cancer-condition-cll"
    }
  ],
  "effectiveDateTime": "2021-04-01",
  "performer": [
    {
      "reference": "Practitioner/us-core-practitioner-kyle-anydoc"
    }
  ],
  "valueCodeableConcept": {
    "coding": [
      {
        "code": "C80135",
        "system": "http://ncicb.nci.nih.gov/xml/owl/EVS/Thesaurus.owl",
        "display": "Binet Stage B"
      }
    ]
  },
  "method": {
    "coding": [
      {
        "code": "1149099005",
        "system": "http://snomed.info/sct",
        "display": "Binet staging classification for chronic lymphocytic leukemia (tumor staging)"
      }
    ]
  },
  "derivedFrom": [
    {
      "reference": "Observation/lab-result-observation-hemoglobin"
    }
  ]
}