PROTECT-CHILD Pediatric Transplant Data Implementation Guide, published by Protect Child. This guide is not an authorized publication; it is the continuous build for version 0.1.0-ci-build built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/hl7-eu/protect-child/ and changes regularly. See the Directory of published versions

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: Lab Test Local Codes - XML Representation

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<CodeSystem xmlns="http://hl7.org/fhir">
  <id value="lab-test-local-cs"/>
  <text>
    <status value="generated"/>
    <div xmlns="http://www.w3.org/1999/xhtml"><p class="res-header-id"><b>Generated Narrative: CodeSystem lab-test-local-cs</b></p><a name="lab-test-local-cs"> </a><a name="hclab-test-local-cs"> </a><p>This case-sensitive code system <code>https://hl7.eu/fhir/ig/hl7.eu.fhir.protect-child/CodeSystem/lab-test-local</code> defines the following codes:</p><table class="codes"><tr><td style="white-space:nowrap"><b>Code</b></td><td><b>Display</b></td><td><b>Definition</b></td></tr><tr><td style="white-space:nowrap">creatinine-egfr<a name="lab-test-local-cs-creatinine-egfr"> </a></td><td>Creatinine eGFR</td><td>Estimated GFR calculated from serum creatinine (formula specified in Observation extension gfr_formula).</td></tr><tr><td style="white-space:nowrap">cystatinc-egfr<a name="lab-test-local-cs-cystatinc-egfr"> </a></td><td>Cystatin C eGFR</td><td>Estimated GFR calculated from Cystatin C (formula specified in Observation extension gfr_cyst_formula).</td></tr><tr><td style="white-space:nowrap">indirect-bilirubin<a name="lab-test-local-cs-indirect-bilirubin"> </a></td><td>Indirect Bilirubin</td><td>Indirect (unconjugated) bilirubin — calculated as total minus direct.</td></tr><tr><td style="white-space:nowrap">proteinuria-creatininuria-ratio<a name="lab-test-local-cs-proteinuria-creatininuria-ratio"> </a></td><td>Proteinuria/creatininuria ratio</td><td>Urine protein-to-creatinine ratio.</td></tr><tr><td style="white-space:nowrap">prothrombin-activity<a name="lab-test-local-cs-prothrombin-activity"> </a></td><td>Prothrombin Activity</td><td>Prothrombin activity (%). Distinct from prothrombin time (seconds/INR).</td></tr><tr><td style="white-space:nowrap">urine-microscopic-hematuria<a name="lab-test-local-cs-urine-microscopic-hematuria"> </a></td><td>Urine microscopic hematuria</td><td>Microscopic hematuria on urine sediment examination.</td></tr></table></div>
  </text>
  <url
       value="https://hl7.eu/fhir/ig/hl7.eu.fhir.protect-child/CodeSystem/lab-test-local"/>
  <version value="0.1.0-ci-build"/>
  <name value="LabTestLocalCS"/>
  <title value="Lab Test Local Codes"/>
  <status value="draft"/>
  <experimental value="true"/>
  <date value="2026-06-05T19:23:32+00:00"/>
  <publisher value="Protect Child"/>
  <contact>
    <name value="Protect Child"/>
    <telecom>
      <system value="url"/>
      <value value="https://protect-child.eu/"/>
    </telecom>
  </contact>
  <description
               value="Local codes for laboratory tests that do not have a single unambiguous LOINC code in the PROTECT-CHILD context (e.g., calculated values or composite measures)."/>
  <caseSensitive value="true"/>
  <content value="complete"/>
  <count value="6"/>
  <concept>
    <code value="creatinine-egfr"/>
    <display value="Creatinine eGFR"/>
    <definition
                value="Estimated GFR calculated from serum creatinine (formula specified in Observation extension gfr_formula)."/>
  </concept>
  <concept>
    <code value="cystatinc-egfr"/>
    <display value="Cystatin C eGFR"/>
    <definition
                value="Estimated GFR calculated from Cystatin C (formula specified in Observation extension gfr_cyst_formula)."/>
  </concept>
  <concept>
    <code value="indirect-bilirubin"/>
    <display value="Indirect Bilirubin"/>
    <definition
                value="Indirect (unconjugated) bilirubin — calculated as total minus direct."/>
  </concept>
  <concept>
    <code value="proteinuria-creatininuria-ratio"/>
    <display value="Proteinuria/creatininuria ratio"/>
    <definition value="Urine protein-to-creatinine ratio."/>
  </concept>
  <concept>
    <code value="prothrombin-activity"/>
    <display value="Prothrombin Activity"/>
    <definition
                value="Prothrombin activity (%). Distinct from prothrombin time (seconds/INR)."/>
  </concept>
  <concept>
    <code value="urine-microscopic-hematuria"/>
    <display value="Urine microscopic hematuria"/>
    <definition value="Microscopic hematuria on urine sediment examination."/>
  </concept>
</CodeSystem>