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 7.0.0 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 - XML Representation

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<Observation xmlns="http://hl7.org/fhir">
  <id value="head-circumference"/>
  <meta>
    <profile
             value="http://hl7.org/fhir/us/core/StructureDefinition/us-core-head-circumference|7.0.0"/>
  </meta>
  <text>
    <status value="generated"/>
    <div xmlns="http://www.w3.org/1999/xhtml"><p><b>Generated Narrative: Observation</b><a name="head-circumference"> </a><a name="hchead-circumference"> </a></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 Observation &quot;head-circumference&quot; </p><p style="margin-bottom: 0px">Profile: <a href="StructureDefinition-us-core-head-circumference.html">US Core Head Circumference Profile (version 7.0.0)</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/5.5.0/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 &quot;Head Occipital-frontal circumference&quot;)</span></p><p><b>subject</b>: <a href="Patient-infant-example.html">Patient/infant-example</a> &quot; EXAMPLE&quot;</p><p><b>effective</b>: 2020-11-18 16:19:31-0800</p><p><b>value</b>: 51.2 cm<span style="background: LightGoldenRodYellow"> (Details: UCUM code cm = 'cm')</span></p></div>
  </text>
  <status value="final"/>
  <category>
    <coding>
      <system
              value="http://terminology.hl7.org/CodeSystem/observation-category"/>
      <code value="vital-signs"/>
      <display value="Vital Signs"/>
    </coding>
    <text value="Vital Signs"/>
  </category>
  <code>
    <coding>
      <system value="http://loinc.org"/>
      <code value="9843-4"/>
      <display value="Head Occipital-frontal circumference"/>
    </coding>
    <text value="Head Circumference"/>
  </code>
  <subject>🔗 
    <reference value="Patient/infant-example"/>
  </subject>
  <effectiveDateTime value="2020-11-18T16:19:31-08:00"/>
  <valueQuantity>
    <value value="51.2"/>
    <unit value="cm"/>
    <system value="http://unitsofmeasure.org"/>
    <code value="cm"/>
  </valueQuantity>
</Observation>