ICD and ATC codes
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ICD codes - ATC index
ICD-10 and ATC/DDD codes online definitions
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.
The Anatomical Therapeutic Chemical (ATC) classification system and the Defined Daily Dose (DDD) as a measuring unit are recommended by the WHO for drug utilization studies. The system is widely used internationally and the number of users is increasing. The purpose of preparing guidelines is to make information about the ATC/DDD system available to the users.
ICD-10 International Statistical Classification of Diseases and Related Health Problems 10th Revision