2026 US Quality Core Implementation Guide
0.5.0 - cibuild US

2026 US Quality Core Implementation Guide, published by Office of the National Coordinator for Health Information Technology (ONC). This guide is not an authorized publication; it is the continuous build for version 0.5.0 built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/FHIR/us-quality-core/ and changes regularly. See the Directory of published versions

## : Heart rate rhythm clinical result observation example - XML Representation

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    <Observation xmlns="http://hl7.org/fhir">
      <id value="clinical-result-heart-rate-rhythm"/>
      <meta>
        <extension url="http://hl7.org/fhir/StructureDefinition/instance-name">
          <valueString value="Heart rate rhythm Example"/>
        </extension>
        <extension
                   url="http://hl7.org/fhir/StructureDefinition/instance-description">
          <valueMarkdown
                         value="This is a Heart rate rhythm Example for the *Clinical Result Observation Profile*."/>
        </extension>
        <profile
                 value="http://fhir.org/guides/onc/us-quality-core/StructureDefinition/us-quality-core-observation-clinical-result"/>
      </meta>
      <text>
        <status value="generated"/>
        <div xmlns="http://www.w3.org/1999/xhtml"><p class="res-header-id"><b>Generated Narrative: Observation clinical-result-heart-rate-rhythm</b></p><a name="clinical-result-heart-rate-rhythm"> </a><a name="hcclinical-result-heart-rate-rhythm"> </a><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"/><p style="margin-bottom: 0px">Profile: <a href="StructureDefinition-us-quality-core-observation-clinical-result.html">US Quality Core Observation Clinical Result</a></p></div><p><b>status</b>: Final</p><p><b>category</b>: <span title="Codes:{http://terminology.hl7.org/CodeSystem/observation-category exam}">Exam</span></p><p><b>code</b>: <span title="Codes:{http://loinc.org 8884-9}">Heart rate rhythm</span></p><p><b>subject</b>: <a href="Patient-example.html">Jim Chalmers  Male, DoB: 1974-12-25 ( Social Security number (use: usual, period: 2001-05-06 --&gt; (ongoing)))</a></p><p><b>encounter</b>: Cardiology Consult</p><p><b>effective</b>: 2021-11-10 16:48:57-0800</p><p><b>performer</b>: <a href="Practitioner-example.html">Practitioner</a></p><p><b>value</b>: Regular (R)</p></div>
      </text>
      <status value="final"/>
      <category>
        <coding>
          <system
                  value="http://terminology.hl7.org/CodeSystem/observation-category"/>
          <code value="exam"/>
          <display value="Exam"/>
        </coding>
        <text value="Exam"/>
      </category>
      <code>
        <coding>
          <system value="http://loinc.org"/>
          <code value="8884-9"/>
          <display value="Heart rate rhythm"/>
        </coding>
        <text value="Heart rate rhythm"/>
      </code>
      <subject>🔗
        <reference value="Patient/example"/>
      </subject>
      <encounter>
        <display value="Cardiology Consult"/>
      </encounter>
      <effectiveDateTime value="2021-11-10T16:48:57.246958-08:00"/>
      <performer>🔗
        <reference value="Practitioner/example"/>
        <display value="Practitioner"/>
      </performer>
      <valueString value="Regular (R)"/>
    </Observation>