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OhioBWC - Basics:  ICD-9

International Classification of Diseases (ICD-10)

The International Classification of Diseases, 10th Revision, Clinical Modification (ICD-10) is a statistical classification system that arranges diseases and injuries into groups according to established criteria. ICD-10 codes are alphanumeric and consist of three to seven alphanumeric characters and a description. BWC recognizes the current version of ICD codes.