1	Infectious and Parasitic Diseases (001-139)
2	Neoplasms (140-239)
3	Endocrine, Nutritional and Metabolic Diseases, and Immunity Disorders (240-279)
4	Diseases of the Blood and Blood-Forming Organs (280-289)
5	Mental Disorders (290-319)
6	Diseases of the Nervous System and Sense Organs (320-389)
7	Diseases of the Circulatory System (390-459)
8	Diseases of the Respiratory System (460-519)
9	Diseases of the Digestive System (520-579)
10	Diseases of the Genitourinary System (580-629)
11	Complications of Pregnancy, Childbirth, and the Puerperium (630-677)
12	Diseases of the Skin and Subcutaneous Tissue (680-709)
13	Diseases of the Musculoskeletal System and Connective Tissue (710-739)
14	Congenital Anomalies (740-759)
15	Certain Conditions Originating in the Perinatal Period (760-779)
16	Symptoms, Signs, and Ill-Defined Conditions (780-799)
17	Injury and Poisoning (800-999)
V	Supplementary Classification of Factors Influencing Health Status and Contact with Health Services (V01-V86)
E	Supplementary Classification of External Causes of Injury and Poisoning (E800-E999)

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