Browse by Chapter
Navigate through all 21 chapters of the ICD-10-CM classification system.
Chapter 1A00-B99
Certain infectious and parasitic diseases
22 sections
Chapter 2C00-D49
Neoplasms
23 sections
Chapter 3D50-D89
Diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism
7 sections
Chapter 4E00-E89
Endocrine, nutritional and metabolic diseases
10 sections
Chapter 5F01-F99
Mental, Behavioral and Neurodevelopmental disorders
11 sections
Chapter 6G00-G99
Diseases of the nervous system
11 sections
Chapter 7H00-H59
Diseases of the eye and adnexa
12 sections
Chapter 8H60-H95
Diseases of the ear and mastoid process
5 sections
Chapter 9I00-I99
Diseases of the circulatory system
10 sections
Chapter 10J00-J99
Diseases of the respiratory system
11 sections
Chapter 11K00-K95
Diseases of the digestive system
10 sections
Chapter 12L00-L99
Diseases of the skin and subcutaneous tissue
9 sections
Chapter 13M00-M99
Diseases of the musculoskeletal system and connective tissue
24 sections
Chapter 14N00-N99
Diseases of the genitourinary system
11 sections
Chapter 15O00-O9A
Pregnancy, childbirth and the puerperium
9 sections
Chapter 16P00-P96
Certain conditions originating in the perinatal period
12 sections
Chapter 17Q00-QA0
Congenital malformations, deformations, chromosomal abnormalities, and genetic disorders
12 sections
Chapter 18R00-R99
Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified
14 sections
Chapter 19S00-T88
Injury, poisoning and certain other consequences of external causes
24 sections
Chapter 20V00-Y99
External causes of morbidity
34 sections
Chapter 21Z00-Z99
Factors influencing health status and contact with health services
15 sections
Chapter 22U00-U85
Codes for special purposes
1 section


