HL7 Terminology (THO)
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: International Classification of Diseases, 11th Revision Mortality and Morbidity Statistics (MMS)

Active as of 2026-03-09

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<NamingSystem xmlns="http://hl7.org/fhir">
  <id value="ICD11MMS"/>
  <language value="en"/>
  <text>
    <status value="generated"/>
    <div xmlns="http://www.w3.org/1999/xhtml"><p class="res-header-id"><b>Generated Narrative: NamingSystem ICD11MMS</b></p><a name="ICD11MMS"> </a><a name="hcICD11MMS"> </a><h3>Summary</h3><table class="grid"><tr><td>Defining URL</td><td>http://terminology.hl7.org/NamingSystem/ICD11MMS</td></tr><tr><td>Version</td><td>20260309</td></tr><tr><td>Name</td><td>ICD11MMS</td></tr><tr><td>Title</td><td>International Classification of Diseases, 11th Revision Mortality and Morbidity Statistics (MMS)</td></tr><tr><td>Status</td><td>active</td></tr><tr><td>Definition</td><td><div><p>ICD-11 is organized into two Code Systems. The WHOFIC Foundation serves as the underlying terminology, offering more detail than the statistical classification and including additional entities from other WHO Family of International Classifications, such as the ICF.</p>
<p>By contrast, ICD-11 for Mortality and Morbidity Statistics (MMS) is the statistical classification and the primary focus of this page. For users interested in ICD-11 codes and categories, ICD-11 MMS is the appropriate Code System to use.</p>
<p>The International Classification of Diseases, 11th Revision, Mortality and Morbidity Statistics (MMS) is a linearization - a structured subset derived from the WHOFIC Foundation for specific use cases. ICD-11 MMS is the principal linearization that contains 28 top-level chapters covering the full range of diseases, disorders, injuries, and related health conditions in addition to extension codes to support postcoordination. It can be accessed and downloaded in print or electronic (spreadsheet) format through the <a href="https://icd.who.int/browse/latest-release/mms/en">ICD-11 browser</a>. The content can also be accessed programmatically through the <a href="https://icd.who.int/icdapi">ICD-API</a>, which includes preliminary support for FHIR (Fast Healthcare Interoperability Resources) in its pre-release state.</p>
</div></td></tr><tr><td>Publisher</td><td>The World Health Organization</td></tr><tr><td>Copyright</td><td><div><p>The WHO grants a license for &quot;commercial and non-commercial use&quot; of ICD-11</p>
<p>CC BY-ND 3.0 IGO</p>
<p>Detailed information can be found here: <a href="https://icd.who.int/en/docs/icd11-license.pdf">https://icd.who.int/en/docs/icd11-license.pdf</a></p>
<p>Contact licensing@who.int to obtain further information.</p>
</div></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>http://id.who.int/icd/release/11/mms</td><td>true</td><td>2022-10-27 --&gt; (ongoing)</td><td>This is the URL as specified by the terminology owner, and is considered authoritative.</td></tr></table></div>
  </text>
  <url value="http://terminology.hl7.org/NamingSystem/ICD11MMS"/>
  <version value="20260309"/>
  <name value="ICD11MMS"/>
  <title
         value="International Classification of Diseases, 11th Revision Mortality and Morbidity Statistics (MMS)"/>
  <status value="active"/>
  <kind value="codesystem"/>
  <date value="2026-03-09T00:00:00-00:00"/>
  <publisher value="The World Health Organization"/>
  <contact>
    <name
          value="The World Health Organization; 20, avenue Appia 1211 Geneva 27, Switzerland"/>
    <telecom>
      <system value="url"/>
      <value value="https://icd.who.int/en"/>
    </telecom>
  </contact>
  <responsible value="The World Health Organization"/>
  <description
               value="ICD-11 is organized into two Code Systems. The WHOFIC Foundation serves as the underlying terminology, offering more detail than the statistical classification and including additional entities from other WHO Family of International Classifications, such as the ICF.

By contrast, ICD-11 for Mortality and Morbidity Statistics (MMS) is the statistical classification and the primary focus of this page. For users interested in ICD-11 codes and categories, ICD-11 MMS is the appropriate Code System to use.

The International Classification of Diseases, 11th Revision, Mortality and Morbidity Statistics (MMS) is a linearization - a structured subset derived from the WHOFIC Foundation for specific use cases. ICD-11 MMS is the principal linearization that contains 28 top-level chapters covering the full range of diseases, disorders, injuries, and related health conditions in addition to extension codes to support postcoordination. It can be accessed and downloaded in print or electronic (spreadsheet) format through the [ICD-11 browser]( https://icd.who.int/browse/latest-release/mms/en). The content can also be accessed programmatically through the [ICD-API]( https://icd.who.int/icdapi), which includes preliminary support for FHIR (Fast Healthcare Interoperability Resources) in its pre-release state."/>
  <copyright
             value="The WHO grants a license for &quot;commercial and non-commercial use&quot; of ICD-11

CC BY-ND 3.0 IGO

Detailed information can be found here: [https://icd.who.int/en/docs/icd11-license.pdf](https://icd.who.int/en/docs/icd11-license.pdf)

Contact licensing@who.int to obtain further information."/>
  <uniqueId>
    <type value="uri"/>
    <value value="http://id.who.int/icd/release/11/mms"/>
    <preferred value="true"/>
    <comment
             value="This is the URL as specified by the terminology owner, and is considered authoritative."/>
    <period>
      <start value="2022-10-27"/>
    </period>
  </uniqueId>
</NamingSystem>