ICD-11

ICD-11 is the World Health Organization’s eleventh revision of the International Classification of Diseases. It provides a standardized system for recording diseases, injuries, causes of death, and related health conditions.

International Classification of Diseases: The World Health Organization’s international system for classifying diseases, injuries, and causes of death. ICD-11 is the latest revision in this classification system.
ICD-11 extension code: An ICD-11 code used with a stem code to add detail such as severity, anatomy, or timing. Extension codes add qualifiers without replacing the primary diagnostic code.
Cause of death: The disease or injury that initiates the chain of events leading to death. ICD-11 classifies causes of death for national and international mortality statistics.
World Health Organization: The United Nations agency responsible for international public health. The WHO develops, maintains, and publishes ICD-11.
International health statistics: Quantitative information used to compare health conditions and outcomes across countries. A shared ICD-11 framework improves consistency in international disease statistics.
ICD-10: The tenth revision of the World Health Organization’s International Classification of Diseases. Its coding structure and content provide the immediate predecessor to ICD-11.
Postcoordination: The combination of multiple codes to express a more detailed clinical concept. ICD-11 uses postcoordination to capture detail beyond a single stem code.
Morbidity: The presence or burden of disease in a population or individual. ICD-11 supports standardized reporting of illness and health-service activity.
International Classification of Diseases, Ninth Revision: The ninth revision of the World Health Organization’s International Classification of Diseases. ICD-9 shows an earlier stage in the classification’s history before ICD-10 and ICD-11.
Health data interoperability: The ability of health information systems to exchange and use data consistently. ICD-11’s digital structure supports more detailed exchange between compatible systems.

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