{
  "resourceType": "Observation",
  "id": "37a7392d-25ce-4603-9898-7d855a133ead",
  "meta": {
    "versionId": "1",
    "lastUpdated": "2021-03-12T11:50:05.269+00:00",
    "source": "#8VEGmpEIGaRPRFEr"
  },
  "status": "final",
  "category": [
    {
      "coding": [
        {
          "system": "http://terminology.hl7.org/CodeSystem/observation-category",
          "code": "laboratory",
          "display": "laboratory"
        }
      ]
    }
  ],
  "code": {
    "coding": [
      {
        "system": "http://loinc.org",
        "code": "85337-4",
        "display": "Estrogen receptor Ag [Presence] in Breast cancer specimen by Immune stain"
      }
    ],
    "text": "Estrogen receptor Ag [Presence] in Breast cancer specimen by Immune stain"
  },
  "subject": {
    "reference": "Patient/b4c4db46-a7ac-4e55-adcc-578ba31d9ad2"
  },
  "encounter": {
    "reference": "Encounter/565c930f-f017-428c-80ea-c7f739f210e2"
  },
  "effectiveDateTime": "1944-10-25T21:16:30+00:00",
  "issued": "1944-10-25T21:16:30.361+00:00",
  "valueCodeableConcept": {
    "coding": [
      {
        "system": "http://snomed.info/sct",
        "code": "10828004",
        "display": "Positive (qualifier value)"
      }
    ],
    "text": "Positive (qualifier value)"
  }
}