<?xml version="1.0" encoding="UTF-8"?>

<CodeSystem xmlns="http://hl7.org/fhir">
  <id value="c-rads-2005-code-system"/>
  <text>
    <status value="generated"/><div xmlns="http://www.w3.org/1999/xhtml"><p class="res-header-id"><b>Generated Narrative: CodeSystem c-rads-2005-code-system</b></p><a name="c-rads-2005-code-system"> </a><a name="hcc-rads-2005-code-system"> </a><a name="c-rads-2005-code-system-en-US"> </a><p>This  code system <code>http://cancerscreeningcds.github.io/crcsm-cds/CodeSystem/c-rads-2005-code-system</code> defines the 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">C0<a name="c-rads-2005-code-system-C0"> </a></td><td>C-RADS Category 0 - Inadequate study/awaiting prior comparisons</td></tr><tr><td style="white-space:nowrap">C1<a name="c-rads-2005-code-system-C1"> </a></td><td>C-RADS Category 1 - Normal colon or benign lesion</td></tr><tr><td style="white-space:nowrap">C2a<a name="c-rads-2005-code-system-C2a"> </a></td><td>C-RADS Category 2a - Intermediate polyp or indeterminate finding</td></tr><tr><td style="white-space:nowrap">C2b<a name="c-rads-2005-code-system-C2b"> </a></td><td>C-RADS Category 2b - Likely benign diverticular finding</td></tr><tr><td style="white-space:nowrap">C3<a name="c-rads-2005-code-system-C3"> </a></td><td>C-RADS Category 3 - Polyp, possibly advanced adenoma</td></tr><tr><td style="white-space:nowrap">C4<a name="c-rads-2005-code-system-C4"> </a></td><td>C-RADS Category 4 - Colonic mass, likely malignant</td></tr></table></div>
  </text>
  <url value="http://cancerscreeningcds.github.io/crcsm-cds/CodeSystem/c-rads-2005-code-system"/>
  <version value="0.1.0"/>
  <name value="CRADS2005CodeSystem"/>
  <title value="CT Colonography Reporting and Data System (C-RADS)"/>
  <status value="active"/>
  <date value="2025-02-28T21:24:30+00:00"/>
  <publisher value="MITRE"/>
  <contact>
    <name value="MITRE"/>
    <telecom>
      <system value="url"/>
      <value value="https://www.mitre.org/"/>
    </telecom>
  </contact>
  <description value="Codes for C-RADS v2005 colorectal finding categories."/>
  <content value="complete"/>
  <count value="6"/>
  <concept>
    <code value="C0"/>
    <display value="C-RADS Category 0 - Inadequate study/awaiting prior comparisons"/>
  </concept>
  <concept>
    <code value="C1"/>
    <display value="C-RADS Category 1 - Normal colon or benign lesion"/>
  </concept>
  <concept>
    <code value="C2a"/>
    <display value="C-RADS Category 2a - Intermediate polyp or indeterminate finding"/>
  </concept>
  <concept>
    <code value="C2b"/>
    <display value="C-RADS Category 2b - Likely benign diverticular finding"/>
  </concept>
  <concept>
    <code value="C3"/>
    <display value="C-RADS Category 3 - Polyp, possibly advanced adenoma"/>
  </concept>
  <concept>
    <code value="C4"/>
    <display value="C-RADS Category 4 - Colonic mass, likely malignant"/>
  </concept>
</CodeSystem>