001-139 
Infectious And Parasitic Diseases
140-239 Neoplasms
240-279 Endocrine, Nutritional And Metabolic Diseases, And Immunity Disorders
280-289 Diseases Of The Blood And Blood-Forming Organs
290-319 Mental Disorders
320-389 Diseases Of The Nervous System And Sense Organs
390-459 Diseases Of The Circulatory System
460-519 Diseases Of The Respiratory System
520-579 Diseases Of The Digestive System
580-629 Diseases Of The Genitourinary System
630-679 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 Congential Anomalies
760-779 Certain Conditions Originating In The Perinatal Period
780-799 Symptoms, Signs, And Ill-Defined Conditions
800-999 Injury And Poisoning
V01-V89 Supplementary Classification Of Factors Influencing Health Status And Contact With Health Services
E000-E999 Supplementary Classification Of External Causes Of Injury And Poisoning