{
  "resourceType": "Observation",
  "id": "head-circumference",
  "meta": {
    "extension": [
      {
        "url": "http://hl7.org/fhir/StructureDefinition/instance-name",
        "valueString": "Head Circumference Example"
      },
      {
        "url": "http://hl7.org/fhir/StructureDefinition/instance-description",
        "valueMarkdown": "This is a head circumference example for the *US Core Head Circumference Profile*."
      }
    ],
    "profile": [
      "http://hl7.org/fhir/us/core/StructureDefinition/us-core-head-circumference"
    ]
  },
  "text": {
    "status": "generated",
    "div": "<div xmlns=\"http://www.w3.org/1999/xhtml\"><p><b>Generated Narrative</b></p><div style=\"display: inline-block; background-color: #d9e0e7; padding: 6px; margin: 4px; border: 1px solid #8da1b4; border-radius: 5px; line-height: 60%\"><p style=\"margin-bottom: 0px\">Resource \"head-circumference\" </p><p style=\"margin-bottom: 0px\">Profile: <a href=\"StructureDefinition-us-core-head-circumference.html\">US Core Head Circumference Profile</a></p></div><p><b>status</b>: final</p><p><b>category</b>: Vital Signs <span style=\"background: LightGoldenRodYellow; margin: 4px; border: 1px solid khaki\"> (<a href=\"http://terminology.hl7.org/3.1.0/CodeSystem-observation-category.html\">Observation Category Codes</a>#vital-signs)</span></p><p><b>code</b>: Head Circumference <span style=\"background: LightGoldenRodYellow; margin: 4px; border: 1px solid khaki\"> (<a href=\"https://loinc.org/\">LOINC</a>#9843-4 \"Head Occipital-frontal circumference\")</span></p><p><b>subject</b>: <a href=\"Patient-infant-example.html\">Patient/infant-example</a> \" EXAMPLE\"</p><p><b>effective</b>: 2020-11-18 04:19:31-0800</p><p><b>value</b>: 51.2 cm<span style=\"background: LightGoldenRodYellow\"> (Details: UCUM code cm = 'cm')</span></p></div>"
  },
  "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": "9843-4",
        "display": "Head Occipital-frontal circumference"
      }
    ],
    "text": "Head Circumference"
  },
  "subject": {
    "reference": "Patient/infant-example"
  },
  "effectiveDateTime": "2020-11-18T16:19:31-08:00",
  "valueQuantity": {
    "value": 51.2,
    "unit": "cm",
    "system": "http://unitsofmeasure.org",
    "code": "cm"
  }
}