ICD-11 2026-01
The WHO International Classification of Diseases, 11th Revision, for Mortality and Morbidity Statistics. Every code with its definition, inclusions, exclusions, coding notes and position in the hierarchy — reproduced verbatim from the official release.
31,839entities
30,320codes
28chapters
3languages
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Chapters
- 01Certain infectious or parasitic diseases
- 02Neoplasms
- 03Diseases of the blood or blood-forming organs
- 04Diseases of the immune system
- 05Endocrine, nutritional or metabolic diseases
- 06Mental, behavioural or neurodevelopmental disorders
- 07Sleep-wake disorders
- 08Diseases of the nervous system
- 09Diseases of the visual system
- 10Diseases of the ear or mastoid process
- 11Diseases of the circulatory system
- 12Diseases of the respiratory system
- 13Diseases of the digestive system
- 14Diseases of the skin
- 15Diseases of the musculoskeletal system or connective tissue
- 16Diseases of the genitourinary system
- 17Conditions related to sexual health
- 18Pregnancy, childbirth or the puerperium
- 19Certain conditions originating in the perinatal period
- 20Developmental anomalies
- 21Symptoms, signs or clinical findings, not elsewhere classified
- 22Injury, poisoning or certain other consequences of external causes
- 23External causes of morbidity or mortality
- 24Factors influencing health status or contact with health services
- 25Codes for special purposes
- 26Supplementary Chapter Traditional Medicine Conditions
- VSupplementary section for functioning assessment
- XExtension Codes