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

<NamingSystem xmlns="http://hl7.org/fhir">
  <id value="TNM"/>
  <text>
    <status value="generated"/><div xmlns="http://www.w3.org/1999/xhtml"><h3>Summary</h3><table class="grid"><tr><td>Defining URL</td><td>http://terminology.hl7.org/NamingSystem/TNM</td></tr><tr><td>Version</td><td>1.0.0</td></tr><tr><td>Name</td><td>TNM</td></tr><tr><td>Title</td><td>TNM Staging System</td></tr><tr><td>Status</td><td>active</td></tr><tr><td>Definition</td><td><div><p>The TNM Staging System was developed and is maintained by the AJCC and the Union for International Cancer Control (UICC). It is the most commonly used staging system by medical professionals around the world. The TNM classification system was developed as a tool for doctors to stage different types of cancer based on certain, standardized criteria. The TNM Staging System is based on the extent of the tumor (T), the extent of spread to the lymph nodes (N), and the presence of metastasis (M).</p>
<p>HTA Note: Most content of TNM (V6) is in the SNOMED international release but not content from the most recent (V9).  In Europe many countries use TNM codes, taken from the book and referenced using an OID.</p>
</div></td></tr><tr><td>Publisher</td><td>American Joint Committee on Cancer</td></tr></table><h3>Identifiers</h3><table class="grid"><tr><td><b>Type</b></td><td><b>Value</b></td><td><b>Preferred</b></td><td><b>Period</b></td><td><b>Comment</b></td></tr><tr><td>URI</td><td>https://cancerstaging.org</td><td>true</td><td>2021-11-03 --&gt; (ongoing)</td><td>This is the URL as specified by the terminology owner, and is considered authoritative.</td></tr></table></div>
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    <valueUri value="http://terminology.hl7.org/NamingSystem/TNM"/>
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  <extension url="http://hl7.org/fhir/5.0/StructureDefinition/extension-NamingSystem.version">
    <valueString value="1.0.0"/>
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  <extension url="http://hl7.org/fhir/5.0/StructureDefinition/extension-NamingSystem.title">
    <valueString value="TNM Staging System"/>
  </extension>
  <name value="TNM"/>
  <status value="active"/>
  <kind value="codesystem"/>
  <date value="2022-01-14T00:00:00-00:00"/>
  <publisher value="American Joint Committee on Cancer"/>
  <contact>
    <name value="American Joint Committee on Cancer; 633 N. Saint Clair St., Chicago, IL 60611-3211"/>
    <telecom>
      <system value="email"/>
      <value value="ajcc@facs.org"/>
    </telecom>
    <telecom>
      <system value="phone"/>
      <value value="(312) 202-5205"/>
    </telecom>
    <telecom>
      <system value="url"/>
      <value value="https://cancerstaging.org/"/>
    </telecom>
  </contact>
  <responsible value="American Joint Committee on Cancer"/>
  <description value="The TNM Staging System was developed and is maintained by the AJCC and the Union for International Cancer Control (UICC). It is the most commonly used staging system by medical professionals around the world. The TNM classification system was developed as a tool for doctors to stage different types of cancer based on certain, standardized criteria. The TNM Staging System is based on the extent of the tumor (T), the extent of spread to the lymph nodes (N), and the presence of metastasis (M).&#xD;&#xA;&#xD;&#xA;HTA Note: Most content of TNM (V6) is in the SNOMED international release but not content from the most recent (V9).  In Europe many countries use TNM codes, taken from the book and referenced using an OID."/>
  <uniqueId>
    <type value="uri"/>
    <value value="https://cancerstaging.org"/>
    <preferred value="true"/>
    <comment value="This is the URL as specified by the terminology owner, and is considered authoritative."/>
    <period>
      <start value="2021-11-03"/>
    </period>
  </uniqueId>
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