The International Statistical Classification of Diseases and Related Health Problems (commonly known by the abbreviation ICD) is a detailed description of known diseases and injuries. It is published by the World Health Organization and is used world-wide for morbidity and mortality statistics.
It is revised periodically and is currently in its tenth edition, known as the ICD-10.
Every disease (or group of related diseases) is described with its diagnosis and given a unique code, up to five letters long.
International Classification of Diseases
The International Classification of Diseases and Related Health Problems (commonly known by the abbreviation ICD) are designed to promote international comparability in the collection, processing, classification, and presentation of morbidity and mortality statistics. ICD-9. Commonly disputed by healthcare providers as billing code and not representative of true clinical outcomes, the ICD-9 transforms verbal descriptions of diseases, injuries, and procedures into numbers. The current ICD-9-CM has been revised to incorporate changes in the medical field. To date, there have been 10 versions of the ICD, with the ICD-10 developed in 1992 to track mortality statistics. The years for which causes of death in the United States have been classified by each revision as follows:
- ICD-1 - 1900
- ICD-2 - 1910
- ICD-3 - 1921
- ICD-4 - 1930
- ICD-5 - 1939
- ICD-6 - 1949
- ICD-7 - 1958
- ICD-8A - 1968
- ICD-9 - 1979
- ICD-10 - 1992
- ICD-10 Chapters A and B: Certain infectious and parasitic diseases
- ICD-10 Chapters C and D: Neoplasms, diseases of the blood and blood-forming organs, and certain disorders involving the immune mechanism
- ICD-10 Chapter E: Endocrine, nutritional and metabolic diseases
- ICD-10 Chapter F: Mental and behavioural disorders
- ICD-10 Chapter G: Diseases of the nervous system
- ICD-10 Chapter H: Diseases of the eye, adnexa, ear, and mastoid process
- ICD-10 Chapter I: Diseases of the circulatory system
- ICD-10 Chapter J: Diseases of the respiratory system
- ICD-10 Chapter K: Diseases of the digestive system
- ICD-10 Chapter L: Diseases of the skin and subcutaneous tissue
- ICD-10 Chapter M: Diseases of the musculoskeletal system and connective tissue
- ICD-10 Chapter N: Diseases of the genitourinary system
- ICD-10 Chapter O: Pregnancy, childbirth and the puerperium
- ICD-10 Chapter P: Certain conditions originating in the perinatal period
- ICD-10 Chapter Q: Congenital malformations, deformations and chromosomal abnormalities
- ICD-10 Chapter R: Symptoms, signs and abnormal clinical and laboratory findings
- ICD-10 Chapters S and T: Injury, poisoning and certain other consequences of external causes
- ICD-10 Chapters V, W, X, and Y: External causes of morbidity and mortality
- ICD-10 Chapter Z: Factors influencing health status and contact with health services
