when did we start using icd 10 codes
ICD-10 ICD-10 is the 10th revision of the International Statistical Classification of Diseases and Related Health Problems (ICD), a medical classification list by the World Health Organization (WHO). It contains codes for diseases, signs and symptoms, abnormal findings, complaints, social circumstances, and external causes of injury or diseases.[1] Work on ICD-10 began in 1983[2],[citation needed] in 1990 it was endorsed by the Forty-third World Health Assembly, and was first used by member states in 1994.[1]