NHS North West Genomics - Local Development build (v2.2.0) built by the FHIR (HL7® FHIR® Standard) Build Tools. See the Directory of published versions

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: CodeSystem for Chimerism Testing (OBX-3 local codes)

Active as of 2026-08-30

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<CodeSystem xmlns="http://hl7.org/fhir">
  <id value="Chimerism"/>
  <language value="en"/>
  <text>
    <status value="generated"/>
    <div xmlns="http://www.w3.org/1999/xhtml"><p class="res-header-id"><b>Generated Narrative: CodeSystem Chimerism</b></p><a name="Chimerism"> </a><a name="hcChimerism"> </a><p>This case-sensitive code system <code>https://fhir.nwgenomics.nhs.uk/CodeSystem/Chimerism</code> provides <b>a fragment</b> that includes following codes:</p><table class="codes"><tr><td style="white-space:nowrap"><b>Code</b></td><td><b>Display</b></td></tr><tr><td style="white-space:nowrap">STR<a name="Chimerism-STR"> </a></td><td>Average % chimerism</td></tr><tr><td style="white-space:nowrap">IM<a name="Chimerism-IM"> </a></td><td>Informative Markers</td></tr><tr><td style="white-space:nowrap">RANGE<a name="Chimerism-RANGE"> </a></td><td>Range</td></tr><tr><td style="white-space:nowrap">CV<a name="Chimerism-CV"> </a></td><td>CV</td></tr><tr><td style="white-space:nowrap">EXT<a name="Chimerism-EXT"> </a></td><td>Extraction Method</td></tr><tr><td style="white-space:nowrap">PURE<a name="Chimerism-PURE"> </a></td><td>% Purity</td></tr><tr><td style="white-space:nowrap">POST<a name="Chimerism-POST"> </a></td><td>Time post transplant</td></tr><tr><td style="white-space:nowrap">DTP<a name="Chimerism-DTP"> </a></td><td>Date of transplant</td></tr><tr><td style="white-space:nowrap">DID<a name="Chimerism-DID"> </a></td><td>Donor ID</td></tr></table></div>
  </text>
  <url value="https://fhir.nwgenomics.nhs.uk/CodeSystem/Chimerism"/>
  <version value="2.2.0"/>
  <name value="Chimerism"/>
  <title value="CodeSystem for Chimerism Testing (OBX-3 local codes)"/>
  <status value="active"/>
  <experimental value="false"/>
  <date value="2026-08-30"/>
  <publisher value="NHS North West Genomics"/>
  <contact>
    <telecom>
      <system value="url"/>
      <value value="https://www.nwgenomics.nhs.uk/contact-us"/>
    </telecom>
  </contact>
  <description
               value="Local OBX-3 sub-identifier codes used by the Clatterbridge chimerism testing
payload - see [Histocompatibility and Immunogenetics - Chimerism Testing Result
Panel (Future?)](HistocompatibilityAndImmunogenetics.html#chimerism-testing-result-panel-future)."/>
  <jurisdiction>
    <coding>
      <system value="urn:iso:std:iso:3166"/>
      <code value="GB"/>
      <display value="United Kingdom of Great Britain and Northern Ireland"/>
    </coding>
  </jurisdiction>
  <caseSensitive value="true"/>
  <content value="fragment"/>
  <concept>
    <code value="STR"/>
    <display value="Average % chimerism"/>
  </concept>
  <concept>
    <code value="IM"/>
    <display value="Informative Markers"/>
  </concept>
  <concept>
    <code value="RANGE"/>
    <display value="Range"/>
  </concept>
  <concept>
    <code value="CV"/>
    <display value="CV"/>
  </concept>
  <concept>
    <code value="EXT"/>
    <display value="Extraction Method"/>
  </concept>
  <concept>
    <code value="PURE"/>
    <display value="% Purity"/>
  </concept>
  <concept>
    <code value="POST"/>
    <display value="Time post transplant"/>
  </concept>
  <concept>
    <code value="DTP"/>
    <display value="Date of transplant"/>
  </concept>
  <concept>
    <code value="DID"/>
    <display value="Donor ID"/>
  </concept>
</CodeSystem>