Dx. Range           Description                   

001-139                 Infectious and Parasitic Diseases

140-239                    Neoplasm

240-279                    Endocrine, Nutritional and Metabolic Diseases, And Immunity Disorders

290-319                    Mental Disorder

320-389                    Nervous System and Sense Organs

390-459                    Diseases of the Circulatory Systems

460-519                    Diseases of the Respiratory Systems

520-579                    Diseases of the Digestive Systems

580-629                    Diseases of the Genitourinary Systems

630-677                    Complications of Pregnancy, Childbirth, and the Puerperium

680-709                    Diseases of the Skin and Subcutaneous Tissue

710-739                    Diseases of the Musculoskeletal System and Connective Tissue

740-759                    Congenital Anomalies

760-779                    Certain Conditions Originating in the Perinatal Period

780-799                    Symptoms, Signs, And III-Defined conditions

800-999                    Injury and Poisoning

V01-V85                 Supplementary Classification of Factors Influencing Health Status

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