US Core Implementation Guide, published by HL7 International / Cross-Group Projects. This guide is not an authorized publication; it is the continuous build for version 8.0.0-ballot built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/HL7/US-Core/ and changes regularly. See the Directory of published versions

• Narrative Content
• XML
• JSON
• TTL

: Head Circumference Example - JSON Representation

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{
  "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 class=\"res-header-id\"><b>Generated Narrative: Observation head-circumference</b></p><a name=\"head-circumference\"> </a><a name=\"hchead-circumference\"> </a><a name=\"head-circumference-en-US\"> </a><p><b>status</b>: Final</p><p><b>category</b>: <span title=\"Codes:{http://terminology.hl7.org/CodeSystem/observation-category vital-signs}\">Vital Signs</span></p><p><b>code</b>: <span title=\"Codes:{http://loinc.org 9843-4}\">Head Circumference</span></p><p><b>subject</b>: <a href=\"Patient-infant-example.html\">Infant Example  Male, DoB: 2020-06-02 ( Medical Record Number:\u00a01032703\u00a0(use:\u00a0usual,\u00a0))</a></p><p><b>effective</b>: 2020-11-18 16:19:31-0800</p><p><b>performer</b>: <a href=\"Practitioner-practitioner-1.html\">Dr Ronald Bone</a></p><p><b>value</b>: 51.2 cm<span style=\"background: LightGoldenRodYellow\"> (Details: UCUM  codecm = '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",
  "performer" : [
    {
      🔗 "reference" : "Practitioner/practitioner-1",
      "display" : "Dr Ronald Bone"
    }
  ],
  "valueQuantity" : {
    "value" : 51.2,
    "unit" : "cm",
    "system" : "http://unitsofmeasure.org",
    "code" : "cm"
  }
}