International Classification of Diseases (ICD)

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<div class="section-heading"> <h1>International Statistical Classification of Diseases and Related Health Problems (ICD)</h1> </div> <div class="sf-content-block content-block" > <div ><p><img src="https://cdn.who.int/media/images/default-source/classifications/icd/icd11/icd-11-banner.png?sfvrsn=a337ba83_24&Status=Master" alt="ICD-11 banner" sf-size="647436"></p><div class="button button-blue-background"><a href="http://icd.who.int" target="_blank" data-sf-ec-immutable="" class="sf-immutable-selected">ICD-11 Homepage</a></div></div> </div> <div class="sf-content-block content-block" > <div ><p><strong>ICD-11: the next evolution in healthcare.</strong> </p><p>ICD seamlessly replaces ICD-10, bringing unprecedented accuracy and precision to every health domain. Record every clinical detail effortlessly and embrace modern health concepts that improve outcomes across the board.<br /><br />ICD-11 isn’t just an upgrade—it’s a transformation. With enhanced interoperability, it integrates flawlessly with today’s digital systems, supporting seamless global data exchange. Get faster, more accurate reimbursement, and unlock the potential of AI and advanced analytics.<br /><br /><strong>Policy and System Information</strong><br />ICD-11 provides a unified framework enabling policymakers to align healthcare initiatives nationally and globally.<br /><br /><strong>Resource Optimization and better Health</strong><br />ICD-11 supports accurate resource allocation and cost management through enhanced data quality<br /><br /><strong>Healthcare Innovation</strong><br />ICD-11 fosters advancements in AI and analytics through detailed and interoperable data.</p><p>Designed for the future, built for today. ICD-11 ensures your healthcare system is ready for what's next.</p><p> </p><p><strong> </strong></p><p><strong> </strong></p><p><strong> </strong></p><p><strong>WHO Advances Implementation and Integration of ICD-11 and Related Medical Classifications and Terminologies</strong></p><p><strong>Geneva, Switzerland – May 2024 – </strong>As of May 2024, two years following the official coming into effect of ICD-11, 132 Member States and areas are at various phases of implementing the new classification system. Specifically, 72 countries have commenced the implementation process, including translation efforts. Additionally, 50 countries are either conducting or expanding implementation pilots, and 14 countries and areas have begun to collect or report data using ICD-11 coding.</p><p>Coinciding with the ICD-11 2024 release, three new language versions of ICD-11 have been officially launched. 10 languages, Arabic, Chinese, Czech, English, French, Portuguese, Russian, Spanish, Turkish and Uzbek are available, with translations in an additional 25 languages underway.</p><p>The ICD-11 2024 version features enhanced diagnostic details and improved digital tools to support global health systems.</p><p>The ICD-11 2024 version includes over 200 new codes for allergens, providing greater diagnostic detail and precision. In addition, digital tools and APIs have been significantly improved. This release includes the candidate version of the WHO Digital Open Rule Integrated Cause of Death Selection (DORIS) tool, now available in multiple languages, alongside updated APIs. This comprehensive upgrade is expected to improve and strengthen the quality of cause of death information across all member states, supporting better health data management and policy-making.</p><p>To facilitate the transition from ICD-10 to ICD-11, WHO has enhanced the digital mapping tables with additional mapping options, offering comprehensive cross-references and guides. These enhancements aim to ensure a smoother and more efficient migration process for all countries.</p><p>By 2024, the WHO has made significant progress in linking various medical classifications and terminologies to enhance global health interoperability. This includes lossless mapping of MedDRA (Medical Dictionary for Regulatory Activities) to facilitate accurate reporting of drug-related information, embedding medical device nomenclature for consistency across international health systems, and incorporating Orphanet terminology to improve the classification and understanding of rare diseases. Additionally, WHO is establishing approaches for technical collaboration and linkages with the MONDO Disease Ontology to support accurate disease classification, initiating design efforts with LOINC (Logical Observation Identifiers Names and Codes) to link laboratory and clinical observations with interventions, and exploring potential methods and frameworks for collaboration with other terminology systems to enhance comprehensive health information management.</p><p>_________________ </p><p><strong></strong>ICD serves a broad range of uses globally and provides critical knowledge on the extent, causes and consequences of human disease and death worldwide via data that is reported and coded with the ICD. Clinical terms coded with ICD are the main basis for health recording and statistics on disease in primary, secondary and tertiary care, as well as on cause of death certificates. These data and statistics support payment systems, service planning, administration of quality and safety, and health services research. Diagnostic guidance linked to categories of ICD also standardizes data collection and enables large scale research.</p><p>For more than a century, the International Classification of Diseases (ICD) has been the basis for comparable statistics on causes of mortality and morbidity between places and over time. Originating in the 19<sup>th</sup> century, the latest version of the ICD, <a href="https://icd.who.int/en" target="_blank" data-sf-ec-immutable="">ICD-11</a>, was adopted by the 72<sup>nd</sup> World Health Assembly in 2019 and came into effect on 1<sup>st</sup> January 2022.   </p><p><a href="https://bmcmedinformdecismak.biomedcentral.com/articles/10.1186/s12911-021-01534-6" target="_blank" data-sf-ec-immutable="">Read more</a></p><p> </p></div> </div> <div class="row" data-sf-element="Row"> <div id="PageContent_C122_Col00" class="sf_colsIn col-md-4" data-sf-element="Column 1" data-placeholder-label="Column 1"> <div class="sf-image thumb"> <img class="lazy" data-src="https://cdn.who.int/media/images/default-source/classifications/icd/icd11/icd-11-uses-cases-.tmb-1920v.png?sfvrsn=2ea3f420_9" data-image="https://cdn.who.int/media/images/default-source/classifications/icd/icd11/icd-11-uses-cases-.tmb-1920v.png?sfvrsn=2ea3f420_9" title="ICD-11 Use cases" /> </div> </div> <div id="PageContent_C122_Col01" class="sf_colsIn col-md-8" data-sf-element="Column 2" data-placeholder-label="Column 2"> <div class="sf-content-block content-block" > <div ><p><span style="background-color:transparent;font-size:25px;font-weight:700;text-align:inherit;white-space:inherit;word-spacing:normal;caret-color:auto;">ICD purpose and uses</span></p><p>As a classification and terminology ICD-11: </p><ul><li>allows the systematic recording, analysis, interpretation and comparison of mortality and morbidity data collected in different countries or regions and at different times;</li><li>ensures semantic interoperability and reusability of recorded data for the different use cases beyond mere health statistics, including decision support, resource allocation, reimbursement, guidelines and more.<br /></li></ul></div> </div> </div> </div> <div class="row" data-sf-element="Row"> <div id="PageContent_C057_Col00" class="sf_colsIn col-md-12" data-sf-element="Column 1" data-placeholder-label="Column 1"> <div class="sf-content-block content-block" > <div ><h2><span style="background-color:transparent;font-size:25px;font-weight:700;text-align:inherit;white-space:inherit;word-spacing:normal;caret-color:auto;">ICD-11 Highlights</span></h2><div><ul><li>Legally mandated health data standard (WHO Constitution and Nomenclature Regulations).</li><li>In effect from January 2022.</li><li>Conceptual framework independent of language and culture.</li><li>Integration of terminology and classification.</li><li>End-to-end digital solution (API, tools, online and offline).</li><li>Up-to-date scientific knowledge.</li><li>Comparable statistics and semantic interoperability - for 150 years.</li><li>ICD-11 is accessible to everybody. </li><li>ICD-11 is distributed under Creative Commons Attribution-NoDerivs 3.0 IGO license.<br /></li><li>ICD-11 enables, for the first time, the counting of traditional medicine services and encounters.</li><li>The 11<sup>th</sup> revision is more extensive and has greater implications for what can be done with the ICD, and how, than any revision since the 6<sup>th</sup>, in 1948.</li></ul><p><br /></p></div><div class="button button-blue-background"><a href="https://icd.who.int/browse11/l-m/en" target="_blank" data-sf-ec-immutable="">Browse release version </a></div></div> </div> <div class="sf-content-block content-block" > <div ><h2>ICD-11 use cases<br /></h2><p>Uses of the ICD are diverse and widespread and much of what is known about the extent, causes and consequences of human disease worldwide relies on use of data classified according to ICD. See below just a few examples:</p></div> </div> </div> </div> <div class="row" data-sf-element="Row"> <div id="PageContent_C130_Col00" class="sf_colsIn col-md-6" data-sf-element="Column 1" data-placeholder-label="Column 1"> <div class="sf-content-block content-block" > <div ><h3>Certification and reporting of Causes of Death </h3><div><div data-class="more-content"><div data-class="more-content-inner">Information on what people die of is recorded on standard forms, analyzed and reported following ICD standards. The information reliably provides a long-term trend of the health of a population. It also can serve short-term monitoring of epidemiological information, like in an epidemic or pandemic.</div></div><div data-class="more-button"><div data-class="more-button-label" data-close="" data-open=""><text>Show less</text> <text>Show more</text></div></div></div><h3>Morbidity coding and reporting including Primary care</h3><div><div data-class="more-content"><div data-class="more-content-inner">Accurate and precise information on what people fall sick from and are treated for is recorded and reported with ICD. This includes all levels of health from primary to secondary and tertiary care. This information further serves policy design, planning and monitoring of all aspects of the health of a population.</div></div><div data-class="more-button"><div data-class="more-button-label" data-close="" data-open=""><text>Show less</text> <text>Show more</text></div></div></div><h3>Casemix and Diagnosis-Related Grouping (DRG)</h3><div><div data-class="more-content"><div data-class="more-content-inner">ICD-coded information is used for resource allocation or lumpsum payments of statistically equal groups.</div></div><div data-class="more-button"><div data-class="more-button-label" data-close="" data-open=""><text>Show less</text> <text>Show more</text></div></div></div><h3>Assessing and monitoring the safety, efficacy, and quality of care</h3><div><div data-class="more-content"><div data-class="more-content-inner">Quality of care uses ICD-coded information to describe the situation of the patient, outcome of treatment and incidents or near-incidents including mechanisms and involved objects such as the failure of an infusion pump or the accidental wrong dosage of a medicament by the patient in line with the WHO recommendations for patient safety incident reporting and learning systems (page 12).</div></div><div data-class="more-button"><div data-class="more-button-label" data-close="" data-open=""><text>Show less</text> <text>Show more</text></div></div></div><h3>Cancer registries </h3><div><div data-class="more-content"><div data-class="more-content-inner">Cancer registration provides detailed information over time on cancer patients. Information on the type of cancer, its location, spread and behavior is coded with ICD.</div></div><div data-class="more-button"><div data-class="more-button-label" data-close="" data-open=""><text>Show less</text> <text>Show more</text></div></div></div><br /></div> </div> </div> <div id="PageContent_C130_Col01" class="sf_colsIn col-md-6" data-sf-element="Column 2" data-placeholder-label="Column 2"> <div class="sf-content-block content-block" > <div ><h3>Antimicrobial resistance (AMR)</h3><div><div data-class="more-content"><div data-class="more-content-inner"><a target="_blank" href="/health-topics/antimicrobial-resistance" data-sf-ec-immutable="">Antimicrobial resistance (AMR)</a> represents a major threat to human health with significant global economic and security implications. ICD provides the details recommended by the <a target="_blank" href="/initiatives/glass" data-sf-ec-immutable="">Global Antimicrobial Resistance and Use Surveillance System (</a><a target="_blank" href="/initiatives/glass" data-sf-ec-immutable="">GLASS</a>). This enables the recording and reporting of the infection, the specific agent, and the level and type of resistance to specific drugs.</div></div><div data-class="more-button"><div data-class="more-button-label" data-close="" data-open=""><text>Show less</text> <text>Show more</text></div></div><h3>Researching and performing clinical trials and epidemiological studies</h3><div><div data-class="more-content"><div data-class="more-content-inner">Comparability of coded information in multiple languages and with common diagnostic approaches allows the pooling of information from different sites, both globally and locally, for research and trials. ICD provides all levels of detail required for complete clinical and research documentation across languages, borders and settings.</div></div><div data-class="more-button"><div data-class="more-button-label" data-close="" data-open=""><text>Show less</text> <text>Show more</text></div></div><h3>Assessing functioning </h3><div><div data-class="more-content"><div data-class="more-content-inner">The ability to carry out tasks by oneself and participate in daily life are means by which to describe, in summary, the overall functioning of a person. It can also be used to track the situation in general or before and after treatment. ICD includes a set of functioning categories based on the <a target="_blank" href="/standards/classifications/international-classification-of-functioning-disability-and-health/who-disability-assessment-schedule">WHO disability assessment scheme </a><a data-sf-ec-immutable="">(WHODAS2)</a> that allow users to calculate a functioning score.<span style="background-color:transparent;text-align:inherit;text-transform:inherit;white-space:inherit;word-spacing:normal;caret-color:auto;"></span></div></div><div data-class="more-button"><div data-class="more-button-label" data-close="" data-open=""><text>Show less</text> <text>Show more</text></div></div><span style="background-color:transparent;text-align:inherit;text-transform:inherit;white-space:inherit;word-spacing:normal;caret-color:auto;"></span></div><h3>Coding traditional medicine conditions </h3><div><div data-class="more-content"><div data-class="more-content-inner">Traditional medicine is an enduring and important area of health care in many countries. To better reflect this reality, ICD-11 includes a supplementary chapter for optional dual coding use, entitled ‘Traditional medicine conditions’. ICD-11 enables, for the first time, the counting of traditional medicine services and encounters; the measurement of their form, frequency, effectiveness, safety, quality, outcomes, and cost; comparison with mainstream medicine; and research, due to standardized terms and definitions nationally and internationally. <a href="https://icd.who.int/browse11/l-m/en#/http%3a%2f%2fid.who.int%2ficd%2fentity%2f718687701" target="_blank" data-sf-ec-immutable="">This supplementary chapter</a> is a subclassification for optional use. This chapter is not intended for mortality reporting. Coding should always include also a category from the chapters 1-24 of ICD.</div></div><div data-class="more-button"><div data-class="more-button-label" data-close="" data-open=""><text>Show less</text> <text>Show more</text></div></div></div><h3>Interoperability standards in WHO Digital Guidelines and for Digital Documentation of COVID-19 Certificates (DDCC)</h3><div><div data-class="more-content"><div data-class="more-content-inner">ICD-11 has combined the updated classification structure with what was formerly the index of ICD. Furthermore, it has systematically redesigned the additional information included in ICD-10 and several of its derivatives in addition to other WHO nomenclatures and terminologies. As a result, ICD-11 has a broad terminological basis that allows users to code clinical terms in records as well as in other documents, such as COVID-19 vaccine certificates. Due to its multilingual design and the controlled translation environment, it is a reliable tool for communication across settings, borders and languages.</div></div><div data-class="more-button"><div data-class="more-button-label" data-close="" data-open=""><text>Show less</text> <text>Show more</text></div></div></div><br /></div></div></div> </div> </div> </div> <div class="row" data-sf-element="Row"> <div id="PageContent_C143_Col00" class="sf_colsIn col-md-6" data-sf-element="Column 1" data-placeholder-label="Column 1"> <div class="section-heading"> <h1>ICD-11 Youtube channel</h1> </div> <div class="list-view vertical-list sf-events-wrapper sf-events-list vertical-list--image"> <div class="list-view--item vertical-list-item"> <a href="https://www.who.int/news-room/events/detail/2023/06/14/default-calendar/who-webinar-on-unlocking-the-potential-of-icd-11-for-chronic-pain" class="link-container table event-table" aria-label="Unlocking the potential of ICD-11 for chronic pain" role="link"> <div class="table-cell"> <div class="thumb"> <div class="background-image background-image--small" data-image="https://cdn.who.int/media/images/default-source/classifications/icd/icd11/icd-11-webinar-for-chronic-pain-image.tmb-768v.png?sfvrsn=69c677e4_2" style="background-image: url('https://cdn.who.int/media/images/default-source/classifications/icd/icd11/icd-11-webinar-for-chronic-pain-image.tmb-131v.png?sfvrsn=69c677e4_2')"></div> </div> </div> <div class="table-cell info"> <p class="heading text-underline">Unlocking the potential of ICD-11 for chronic pain</p> <span class="timestamp"> <i class="fa fa-calendar" aria-hidden="true"></i> 14 June 2023 </span> </div> </a> </div> <div class="list-view--item vertical-list-item"> <a href="https://www.who.int/news-room/events/detail/2024/10/14/default-calendar/who-fic-network-annual-meeting-2024" class="link-container table event-table" aria-label="WHO-FIC Network annual meeting 2024" role="link"> <div class="table-cell"> <div class="thumb"> <div class="background-image background-image--small" data-image="https://cdn.who.int/media/images/default-source/classifications/who-fic-network/who-fic-annual-meeting-2024/who-fic-annual-meeting-2024-logo.tmb-768v.jpeg?sfvrsn=f6c8293f_1" style="background-image: url('https://cdn.who.int/media/images/default-source/classifications/who-fic-network/who-fic-annual-meeting-2024/who-fic-annual-meeting-2024-logo.tmb-131v.jpeg?sfvrsn=f6c8293f_1')"></div> </div> </div> <div class="table-cell info"> <p class="heading text-underline">WHO-FIC Network annual meeting 2024</p> <span class="timestamp"> <i class="fa fa-calendar" aria-hidden="true"></i> 14 – 18 October 2024 </span> </div> </a> </div> <div class="list-view--item vertical-list-item"> <a href="https://www.who.int/news-room/events/detail/2023/10/16/default-calendar/who-fic-network-annual-meeting-2023" class="link-container table event-table" aria-label="WHO-FIC Network Annual Meeting 2023" role="link"> <div class="table-cell"> <div class="thumb"> <div class="background-image background-image--small" data-image="https://cdn.who.int/media/images/default-source/classifications/who-fic-network/who-fic-network-annual-meeting-2023/230419_bfarm_who-fic_jahrestagung_rgb.tmb-768v.jpg?sfvrsn=ca6b7f73_1" style="background-image: url('https://cdn.who.int/media/images/default-source/classifications/who-fic-network/who-fic-network-annual-meeting-2023/230419_bfarm_who-fic_jahrestagung_rgb.tmb-131v.jpg?sfvrsn=ca6b7f73_1')"></div> </div> </div> <div class="table-cell info"> <p class="heading text-underline">WHO-FIC Network Annual Meeting 2023</p> <span class="timestamp"> <i class="fa fa-calendar" aria-hidden="true"></i> 16 – 20 October 2023 </span> </div> </a> </div> </div> <ul class="pagination"> <li class="active"> <a href="/standards/classifications/classification-of-diseases/1">1 <span class="sr-only">(current)</span></a> </li> <li> <a href="/standards/classifications/classification-of-diseases/2">2</a> </li> <li> <a href="/standards/classifications/classification-of-diseases/3">3</a> </li> <li> <a href="/standards/classifications/classification-of-diseases/4">4</a> </li> <li> <a href="/standards/classifications/classification-of-diseases/5">5</a> </li> </ul> </div> <div id="PageContent_C143_Col01" class="sf_colsIn col-md-6" data-sf-element="Column 2" data-placeholder-label="Column 2"> <div class="section-heading"> <h1>ICD-11 news</h1> </div> <div class="list-view vertical-list vertical-list--image"> <div class="list-view--item vertical-list-item"> <a href="https://www.who.int/news/item/08-02-2024-icd-11-2024-release" class="link-container table" aria-label="ICD-11 2024 release" role="link"> <div class="table-cell"> <div class="thumb"> <div class="background-image background-image--small" data-image="https://cdn.who.int/media/images/default-source/classifications/icd/icd11/icd-11-2024-release.tmb-768v.png?sfvrsn=91c4d2a6_1" style="background-image: url('https://cdn.who.int/media/images/default-source/classifications/icd/icd11/icd-11-2024-release.tmb-131v.png?sfvrsn=91c4d2a6_1')"></div> </div> </div> <div class="table-cell info"> <div class="date"> <span class="timestamp">8 February 2024</span> <div class="sf-tags-list"> <div class="sf-tags-list-item">Highlights</div> </div> </div> <p class="heading text-underline">ICD-11 2024 release</p> </div> </a> </div> <div class="list-view--item vertical-list-item"> <a href="https://www.who.int/news/item/14-02-2023-icd-11-2023-release-is-here" class="link-container table" aria-label="ICD-11 2023 release is here" role="link"> <div class="table-cell"> <div class="thumb"> <div class="background-image background-image--small" data-image="https://cdn.who.int/media/images/default-source/classifications/icd/icd11/icd-11-for-countries-by-countries.tmb-768v.png?sfvrsn=81191566_1" style="background-image: url('https://cdn.who.int/media/images/default-source/classifications/icd/icd11/icd-11-for-countries-by-countries.tmb-131v.png?sfvrsn=81191566_1')"></div> </div> </div> <div class="table-cell info"> <div class="date"> <span class="timestamp">14 February 2023</span> <div class="sf-tags-list"> <div class="sf-tags-list-item">Highlights</div> </div> </div> <p class="heading text-underline">ICD-11 2023 release is here</p> </div> </a> </div> <div class="list-view--item vertical-list-item"> <a href="https://www.who.int/news/item/31-08-2022-icd-11-mortality-rule-digitalization-workshop" class="link-container table" aria-label="ICD-11 mortality rules digitalization workshop" role="link"> <div class="table-cell"> <div class="thumb"> <div class="background-image background-image--small" data-image="https://cdn.who.int/media/images/default-source/classifications/icd/icd11/icd-11-200911-2.tmb-768v.png?sfvrsn=335b3e2_3" style="background-image: url('https://cdn.who.int/media/images/default-source/classifications/icd/icd11/icd-11-200911-2.tmb-131v.png?sfvrsn=335b3e2_3')"></div> </div> </div> <div class="table-cell info"> <div class="date"> <span class="timestamp">31 August 2022</span> <div class="sf-tags-list"> <div class="sf-tags-list-item">Departmental update</div> </div> </div> <p class="heading text-underline">ICD-11 mortality rules digitalization workshop</p> </div> </a> </div> <div class="list-view--item vertical-list-item"> <a href="https://www.who.int/news/item/11-02-2022-who-s-new-international-classification-of-diseases-(icd-11)-comes-into-effect" class="link-container table" aria-label="WHO’s new International Classification of Diseases (ICD-11) comes into effect" role="link"> <div class="table-cell"> <div class="thumb"> <div class="background-image background-image--small" data-image="https://cdn.who.int/media/images/default-source/classifications/icd/icd11/icd-11_news_release_photo.tmb-768v.jpg?sfvrsn=bf5c194a_6" style="background-image: url('https://cdn.who.int/media/images/default-source/classifications/icd/icd11/icd-11_news_release_photo.tmb-131v.jpg?sfvrsn=bf5c194a_6')"></div> </div> </div> <div class="table-cell info"> <div class="date"> <span class="timestamp">11 February 2022</span> <div class="sf-tags-list"> <div class="sf-tags-list-item">Departmental update</div> </div> </div> <p class="heading text-underline">WHO’s new International Classification of Diseases (ICD-11) comes into effect</p> </div> </a> </div> <div class="list-view--item vertical-list-item"> <a href="https://www.who.int/news/item/11-02-2022-icd-11-2022-release" class="link-container table" aria-label="ICD-11 2022 release" role="link"> <div class="table-cell"> <div class="thumb"> <div class="background-image background-image--small" data-image="https://cdn.who.int/media/images/default-source/classifications/icd/icd11/icd-11-2022-release.tmb-768v.png?sfvrsn=4ba6a1f3_6" style="background-image: url('https://cdn.who.int/media/images/default-source/classifications/icd/icd11/icd-11-2022-release.tmb-131v.png?sfvrsn=4ba6a1f3_6')"></div> </div> </div> <div class="table-cell info"> <div class="date"> <span class="timestamp">11 February 2022</span> <div class="sf-tags-list"> <div class="sf-tags-list-item">Highlights</div> </div> </div> <p class="heading text-underline">ICD-11 2022 release</p> </div> </a> </div> </div> </div> </div> <div class="sf-content-block content-block" > <div ><h2 style="text-align:center;">ICD Implementation across WHO Member States</h2><img src="https://cdn.who.int/media/images/default-source/classifications/icd-11-implementation.gif?sfvrsn=e363dd1e_1&Status=Master" style="display:block;margin-left:auto;margin-right:auto;" class="-align-center" alt="" sf-size="100"></div> </div> <div> <img src="https://cdn.who.int/media/images/default-source/classifications/icd/icd11/thumbnail-video-1---welcome-to-the-icd-universe55cf19e1efd44b3a855a2936102f15ee.png?sfvrsn=931b5235_2" title="Thumbnail video 1 - Welcome to the ICD Universe" alt="Thumbnail video 1 - Welcome to the ICD Universe"/> <h3>ICD-11 Youtube channel</h3> <div>The Youtube Channel of the International Classification of Diseases and Related Health Problems, 11th version (ICD-11) with educational videos. Subscribe to learn more.</div> <a href="https://www.youtube.com/channel/UCW4JggT5vRJ_WzKw4udG0Aw"> <span>Go to ICD-11 Youtube channel</span> </a> </div> <div class="row" data-sf-element="Row"> <div id="PageContent_C149_Col00" class="sf_colsIn col-md-6" data-sf-element="Column 1" data-placeholder-label="Column 1"> <div class="section-heading"> <h1>Learn more about ICD-11</h1> </div> <div class="sf-publications"> <div class="sf-publications-list sf-publications-list__horizontal row"> <div class="sf-publications-item list-item col-sm-3"> <div class="sf-publications-item__container"> <figure class="sf-publications-item__figure"> <img src="https://cdn.who.int/media/images/default-source/classifications/icd/icd11/icd-11-qr-code.tmb-144v.png?sfvrsn=61023e88_12" alt="" /> </figure> <div class="sf-publications-item__body"> <div class="sf-publications-item__header"> <div class="sf-publications-item__date"> <span>9 February 2022</span> </div> <a href="https://www.who.int/publications/m/item/icd-11-fact-sheet"> <h3 class="sf-publications-item__title">ICD-11 Fact Sheet</h3> </a> </div> <div class="sf-publications-item__description"> <p>The global standard for health data, clinical documentation and statistical aggregation.Multiple uses, including primary careThoroughly and scientifically... </p> </div> <div class="sf-publications-item__actions"> <div class="sf-publications-item__file"> <a class="download-url " href="https://cdn.who.int/media/docs/default-source/classification/icd/icd11/icd-11_fact_sheet_en.pdf?sfvrsn=2a79571e_25&download=true" aria-label="Download" target="_blank">Download</a> </div> <div class="sf-publications-item__url"> <a href="https://www.who.int/publications/m/item/icd-11-fact-sheet" class="page-url" aria-label="Read More">Read More</a> </div> </div> </div> </div> </div> <div class="sf-publications-item list-item col-sm-3"> <div class="sf-publications-item__container"> <figure class="sf-publications-item__figure"> <img src="https://cdn.who.int/media/images/default-source/2021-dha-images/icd-11-logo.tmb-144v.jpg?sfvrsn=d6476082_3" alt="" /> </figure> <div class="sf-publications-item__body"> <div class="sf-publications-item__header"> <div class="sf-publications-item__date"> <span>30 November 2021</span> </div> <a href="https://www.who.int/publications/m/item/icd-11-terms-of-use-and-license-agreement"> <h3 class="sf-publications-item__title">ICD-11 Terms of Use and License Agreement</h3> </a> </div> <div class="sf-publications-item__description"> <p>Eleventh Revision of the International Statistical Classification of Diseases and Related Health Problems (ICD-11) Digital Version Terms of Use and License... </p> </div> <div class="sf-publications-item__actions"> <div class="sf-publications-item__file"> <a class="download-url " href="https://cdn.who.int/media/docs/default-source/classification/icd/icd11/icd11-license.pdf?sfvrsn=45de958_7&download=true" aria-label="Download" target="_blank">Download</a> </div> <div class="sf-publications-item__url"> <a href="https://www.who.int/publications/m/item/icd-11-terms-of-use-and-license-agreement" class="page-url" aria-label="Read More">Read More</a> </div> </div> </div> </div> </div> <div class="sf-publications-item list-item col-sm-3"> <div class="sf-publications-item__container"> <figure class="sf-publications-item__figure"> <img src="https://cdn.who.int/media/images/default-source/2021-dha-images/icd-11-logo.tmb-144v.jpg?sfvrsn=d6476082_3" alt="" /> </figure> <div class="sf-publications-item__body"> <div class="sf-publications-item__header"> <div class="sf-publications-item__date"> <span>27 May 2019</span> </div> <a href="https://www.who.int/publications/m/item/eleventh-revision-of-the-international-classification-of-diseases-adoption-wha72"> <h3 class="sf-publications-item__title">The 72nd World Health Assembly Resolution for ICD-11 Adoption</h3> </a> </div> <div class="sf-publications-item__description"> <p>The latest version of the ICD, ICD-11, was adopted by the 72nd World Health Assembly in 2019 and came into effect on 1st January 2022. ... </p> </div> <div class="sf-publications-item__actions"> <div class="sf-publications-item__file"> <a class="download-url " href="https://cdn.who.int/media/docs/default-source/classification/icd/icd11/a72_29-en_icd-11-adoption.pdf?sfvrsn=d10b6c4_10&download=true" aria-label="Download" target="_blank">Download</a> </div> <div class="sf-publications-item__url"> <a href="https://www.who.int/publications/m/item/eleventh-revision-of-the-international-classification-of-diseases-adoption-wha72" class="page-url" aria-label="Read More">Read More</a> </div> </div> </div> </div> </div> </div> </div> </div> <div id="PageContent_C149_Col01" class="sf_colsIn col-md-6" data-sf-element="Column 2" data-placeholder-label="Column 2"> <div class="section-heading"> <p>Emergency use ICD codes for COVID-19 disease outbreak</p> </div> <div class="sf-content-block content-block" > <div ><p>Since the beginning of the pandemic and in response to member state requests, the classification and terminologies unit has been progressively activating emergency codes for COVID-19 in <a href="https://icd.who.int/browse10/2019/en#/" target="_blank" data-sf-ec-immutable="">ICD-10</a> and <a href="http://icd.who.int" target="_blank" data-sf-ec-immutable="">ICD-11</a> after consultation with the relevant committees and reference groups of the <a target="_blank" href="/standards/classifications/who-fic-maintenance">WHO Family of International Classifications (WHO-FIC) Network</a>.</p><div class="button button-blue-background"><a target="_blank" href="/standards/classifications/classification-of-diseases/emergency-use-icd-codes-for-covid-19-disease-outbreak">Read more</a></div></div> </div> </div> </div> <style> .margin-top { margin-top: 16px; } </style> <div class="sf-list-vertical sf-list-vertical__bottom-border"> <a class="sf-list-vertical__item" href="https://bmcmedinformdecismak.biomedcentral.com/articles/10.1186/s12911-021-01534-6"> <h4 class="sf-list-vertical__title"> <span class="full-title" aria-hidden="true" style="display: none">ICD-11 an international classification of diseases for the twenty first century</span> <span class="trimmed">ICD-11 an international classification of diseases for the twenty first century</span> </h4> </a> <a class="sf-list-vertical__item" href="https://bmcmedinformdecismak.biomedcentral.com/articles/10.1186/s12911-021-01635-2"> <h4 class="sf-list-vertical__title"> <span class="full-title" aria-hidden="true" style="display: none">ICD-11 extension codes support detailed clinical abstraction and comprehensive classification</span> <span class="trimmed">ICD-11 extension codes support detailed clinical abstraction and comprehensive classification</span> </h4> </a> </div> <div class="section-heading"> <p>ICD-10</p> </div> <div class="sf-content-block content-block" > <div ><p>All Member States are committed to using the most recent version of ICD. 2022 is the first year where ICD-11 is officially in effect. </p><ul><li><a href="https://icd.who.int/browse10" target="_new" data-sf-ec-immutable="">ICD-10 Browser</a> (Latest version, 2019)</li><li><a href="https://icd.who.int/training/icd10training/" target="_blank" data-sf-ec-immutable="" data-sf-marked="">ICD-10 Training</a><br /></li><li><a href="/standards/classifications/classification-of-diseases/list-of-official-icd-10-updates">List of Official ICD-10 Updates</a></li><li><a target="_blank" href="/standards/classifications/frequently-asked-questions">FAQ on ICD</a></li><li><a href="https://icd.who.int/icd10updateplatform/" target="_blank" data-sf-ec-immutable="">ICD-10 Update platform (Archive)</a></li></ul><p><strong>Previous online versions of ICD-10:</strong></p></div> </div> <div class="row" data-sf-element="Row"> <div id="PageContent_C125_Col00" class="sf_colsIn col-md-4" data-sf-element="Column 1" data-placeholder-label="Column 1"> <div class="sf-image "> <img class="lazy" data-src="https://cdn.who.int/media/images/default-source/classifications/icd/icd-10/foto-icd-10-who.jpg_250985491.tmb-medium.jpg?sfvrsn=83735e0c_2" data-image="https://cdn.who.int/media/images/default-source/classifications/icd/icd-10/foto-icd-10-who.jpg_250985491.tmb-medium.jpg?sfvrsn=83735e0c_2" title="foto-icd-10-who.jpg_250985491" /> </div> </div> <div id="PageContent_C125_Col01" class="sf_colsIn col-md-8" data-sf-element="Column 2" data-placeholder-label="Column 2"> <div class="sf-content-block content-block" > <div ><ul><li><a href="https://icd.who.int/browse10" target="_new" data-sf-ec-immutable="">ICD-10 Browser</a> (Latest version, 2019)</li><li><a target="_blank" href="https://icd.who.int/browse10/2016/en" data-sf-ec-immutable="">ICD-10 2016</a></li><li><a target="_blank" href="https://icd.who.int/browse10/2015/en" data-sf-ec-immutable="">ICD-10 2015</a></li><li><a target="_blank" href="https://icd.who.int/browse10/2014/en" data-sf-ec-immutable="">ICD-10 2014</a></li><li><a target="_blank" href="https://icd.who.int/browse10/2010/en" data-sf-ec-immutable="">ICD-10 2010</a></li><li><a target="_blank" href="https://icd.who.int/browse10/2008/en" data-sf-ec-immutable="">ICD-10 2008</a></li></ul></div> </div> </div> </div> <div class="sf-content-block content-block" > <div ><p> </p><h2>Mappings</h2><p><strong>ICD-10 to Medical Dictionary for Regulatory Activities (MedDRA) maps  </strong><strong></strong></p><table style="height:169.5px;width:844px;"><tbody><tr style="height:15.493%;"><td style="width:13.5231%;"><p class="no-margin"><strong>Year</strong></p></td><td style="width:42.586%;"><p class="no-margin"><strong>Conventions</strong></p></td><td style="width:43.8909%;"><p class="no-margin"><strong>Mapping files</strong></p></td></tr><tr style="height:28.169%;"><td style="width:13.5231%;"><p class="no-margin">June 2024</p></td><td style="width:42.586%;"><p class="no-margin"><a target="_blank" href="https://cdn.who.int/media/docs/default-source/classification/icd/icd-10/icd-10-to-meddra-mapping-conventions---june-2024.pdf?sfvrsn=5b9ddad6_1">ICD-10 to MedDRA Mapping Conventions</a></p><p class="no-margin"><a target="_blank" href="https://cdn.who.int/media/docs/default-source/classification/icd/icd-10/icd-10-to-meddra-map-release-notes_3rd-release---june-2024.pdf?sfvrsn=ce6ddb5a_1">ICD-10 to MedDRA Map Release Notes</a></p></td><td style="width:43.8909%;"><p class="no-margin"><a target="_blank" href="https://cdn.who.int/media/docs/default-source/classification/icd/icd-10/icd-10-to-meddra-27.0-map---june-2024-codes-only.xlsx?sfvrsn=be5a680c_1">ICD-10 and MedDRA Mapping - 3rd release - June 2024</a></p></td></tr><tr style="height:28.169%;"><td style="width:13.5231%;"><p class="no-margin">January 2024</p></td><td style="width:42.586%;"> </td><td style="width:43.8909%;"><p class="no-margin"><a target="_blank" href="https://cdn.who.int/media/docs/default-source/classification/icd/icd-10/icd-10-to-meddra-map_2nd-release_jan-2024-final.xlsx?sfvrsn=48f383b7_1">ICD-10 and MedDRA Mapping - 2nd release - January 2024</a></p></td></tr><tr style="height:28.169%;"><td style="width:13.5231%;"><p class="no-margin">June 2023</p></td><td style="width:42.586%;"><p class="no-margin"><a target="_blank" href="https://cdn.who.int/media/docs/default-source/classification/icd/icd-10/icd-10-to-meddra-mapping-conventions.pdf?sfvrsn=1b36c13b_2">ICD-10 to MedDRA Mapping Conventions</a></p></td><td style="width:43.8909%;"><p class="no-margin"><a target="_blank" href="https://cdn.who.int/media/docs/default-source/classification/icd/icd-10/icd-10-to-meddra-map---june-2023---codes-mapping.xlsx?sfvrsn=5ad7bd78_1">ICD-10 and MedDRA Mapping - 1st release - June 2023</a></p></td></tr></tbody></table><p><br /></p></div> </div> <div class="section-heading"> <h2>ICD History</h2> </div> <div class="sf-content-block content-block" > <div ><h2>First World Health Assembly </h2><h3>Convention of 30 April 1948 </h3><p>The Delegates entrusted WHO, as one of its functions, with the task of establishing and revising the necessary international nomenclatures of diseases and causes of death, giving the World Health Assembly authority to adapt regulations in respect, such as nomenclatures, for consideration and action, the International Statistical Classification of Diseases, Injuries and Causes of Death and accompanying recommendations, destined to improve international uniformity and comparability of statistics of morbidity and mortality. </p><h2>ICD revisions under the auspices of WHO</h2><table><tbody><tr style="height:100%;"><td style="width:33.333333333333336%;"><strong>ICD Revision</strong></td><td style="width:33.333333333333336%;"><strong>ICD Coming into effect</strong></td><td style="width:33.333333333333336%;"><strong>ICD Adoption</strong></td></tr><tr style="height:100%;"><td style="width:33.333333333333336%;">6<sup>th</sup> Revision     <br /></td><td style="width:33.333333333333336%;">into effect 1948 </td><td style="width:33.333333333333336%;">adopted 1948 (WHA1.36)<br /></td></tr><tr style="height:100%;"><td style="width:33.333333333333336%;">7<sup>th</sup> Revision </td><td style="width:33.333333333333336%;">into effect 1 Jan 1958  </td><td style="width:33.333333333333336%;">adopted May 1956 (WHА9. 29)</td></tr><tr style="height:100%;"><td style="width:33.333333333333336%;">8<sup>th</sup> Revision</td><td style="width:33.333333333333336%;">into effect 1 Jan 1968</td><td style="width:33.333333333333336%;">adopted May 1966 (WHA19.44)</td></tr><tr style="height:100%;"><td style="width:33.333333333333336%;">9<sup>th</sup> Revision</td><td style="width:33.333333333333336%;">into effect 1 Jan 1979  </td><td style="width:33.333333333333336%;">adopted May 1976 (WHA29.34)</td></tr><tr style="height:100%;"><td style="width:33.333333333333336%;">10<sup>th</sup> Revision </td><td style="width:33.333333333333336%;">into effect 1 Jan 1993</td><td style="width:33.333333333333336%;">adopted May 1990 (WHA43.24)</td></tr><tr style="height:100%;"><td style="width:33.333333333333336%;">11<sup>th</sup> Revision</td><td style="width:33.333333333333336%;">into effect 1 Jan 2022</td><td style="width:33.333333333333336%;">adopted May 2019 (WHA72.15)</td></tr></tbody></table><p><br /></p></div> </div> <div class="row" data-sf-element="Row"> <div id="PageContent_C141_Col00" class="sf_colsIn col-md-3" data-sf-element="Column 1" data-placeholder-label="Column 1"> </div> <div id="PageContent_C141_Col01" class="sf_colsIn col-md-9" data-sf-element="Column 2" data-placeholder-label="Column 2"> </div> </div> <div class="row" data-sf-element="Row"> <div id="PageContent_C108_Col00" class="sf_colsIn col-md-6" data-sf-element="Column 1" data-placeholder-label="Column 1"> </div> <div id="PageContent_C108_Col01" 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