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ICD 10 Diagnosis Codes - Clinical Modification (CM)

Chapters Chapter Name
Chapter 1 Certain infectious and parasitic diseases (A00-B99)
Chapter 2 Neoplasms (C00-D49)
Chapter 3 Diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism (D50-D89)
Chapter 4 Endocrine, nutritional and metabolic diseases (E00-E89)
Chapter 5 Mental, Behavioral and Neurodevelopmental disorders (F01-F99)
Chapter 6 Diseases of the nervous system (G00-G99)
Chapter 7 Diseases of the eye and adnexa (H00-H59)
Chapter 8 Diseases of the ear and mastoid process (H60-H95)
Chapter 9 Diseases of the circulatory system (I00-I99)
Chapter 10 Diseases of the respiratory system (J00-J99)
Chapter 11 Diseases of the digestive system (K00-K95)
Chapter 12 Diseases of the skin and subcutaneous tissue (L00-L99)
Chapter 13 Diseases of the musculoskeletal system and connective tissue (M00-M99)
Chapter 14 Diseases of the genitourinary system (N00-N99)
Chapter 15 Pregnancy, childbirth and the puerperium (O00-O9A)
Chapter 16 Certain conditions originating in the perinatal period (P00-P96)
Chapter 17 Congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)
Chapter 18 Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)
Chapter 19 Injury, poisoning and certain other consequences of external causes (S00-T88)
Chapter 20 External causes of morbidity (V00-Y99)
Chapter 21 Factors influencing health status and contact with health services (Z00-Z99)