The<unk>  <unk>  is a globally used diagnostic tool for epidemiology, health management and clinical purposes. The<unk>  is maintained by the World Health Organization (WHO), which is the directing and coordinating authority for health within the United Nations System. The<unk>  is originally designed as a health care<unk>  system, providing a system of diagnostic codes for classifying<unk> , including nuanced<unk> s of a wide variety of signs, symptoms, abnormal findings, complaints, social circumstances, and external causes of injury or<unk>  This system is designed to map health conditions to corresponding generic categories together with specific variations, assigning for these a designated code, up to six characters long. Thus, major categories are designed to include a set of similar<unk> . The<unk>  is published by the WHO and used worldwide for morbidity and mortality statistics, reimbursement systems, and automated decision support in health care. This system is designed to promote<unk>  comparability in the collection, processing,<unk> , and presentation of these statistics. Like the analogous Diagnostic and Statistical Manual of Mental Disorders (which is limited to psychiatric disorders and almost exclusive to the United States), the<unk>  is a major project to statistically classify all health disorders, and provide diagnostic assistance. The<unk>  is a core statistically based classificatory diagnostic system for health care related issues of the WHO Family of<unk><unk> s (WHO-FIC). The<unk>  is revised periodically and is currently in its 11th revision. The<unk> -11, as it is therefore known, was accepted by WHO's World Health Assembly (WHA) on 25 May 2019 and officially came into effect on 1 January 2022. However, widespread adoption will likely take some time: the US only adopted<unk> -10 in 2015, as of 2018 some countries still using<unk> -9 and even<unk> -8. The version for preparation of approval at the WHA was released on 18 June 2018. The<unk>  is part of a "family" of<unk><unk> s (WHOFIC) that complement each other, also including the<unk><unk>  of Functioning, Disability and Health (ICF) which focuses on the domains of functioning (disability) associated with health conditions, from both medical and social perspectives, and the<unk><unk>  of Health Interventions (ICHI) that classifies the whole range of medical, nursing, functioning and public health interventions. The title of the<unk>  is formally the<unk>  Statistical<unk>  of<unk>  and Related Health Problems, although the original title,<unk> , is still informally the name by which it is usually known.
International Classification of Diseases
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