ICD-10-CM Lookup
Complete 2025 diagnosis code database. 98,403 codes, 74,879 billable, organized by chapter.
Browse by Chapter
Chapter 1
Certain infectious and parasitic diseases
1,309 codes
Chapter 2
Neoplasms
2,181 codes
Chapter 3
Diseases of the blood and blood-forming organs
403 codes
Chapter 4
Endocrine, nutritional and metabolic diseases
1,270 codes
Chapter 5
Mental, behavioral and neurodevelopmental disorders
1,113 codes
Chapter 6
Diseases of the nervous system
932 codes
Chapter 7
Diseases of the eye and adnexa
3,466 codes
Chapter 8
Diseases of the ear and mastoid process
871 codes
Chapter 9
Diseases of the circulatory system
1,807 codes
Chapter 10
Diseases of the respiratory system
478 codes
Chapter 11
Diseases of the digestive system
1,117 codes
Chapter 12
Diseases of the skin and subcutaneous tissue
1,207 codes
Chapter 13
Diseases of the musculoskeletal system and connective tissue
8,707 codes
Chapter 14
Diseases of the genitourinary system
1,047 codes
Chapter 15
Pregnancy, childbirth and the puerperium
3,079 codes
Chapter 16
Certain conditions originating in the perinatal period
565 codes
Chapter 17
Congenital malformations, deformations and chromosomal abnormalities
1,067 codes
Chapter 18
Symptoms, signs and abnormal clinical and laboratory findings
963 codes
Chapter 19
Injury, poisoning and certain other consequences of external causes
54,325 codes
Chapter 20
External causes of morbidity
10,602 codes
Chapter 21
Factors influencing health status and contact with health services
1,861 codes
Chapter 22
Codes for special purposes
33 codes
Popular Codes
About ICD-10-CM
The International Classification of Diseases, 10th Revision, Clinical Modification (ICD-10-CM) is a morbidity classification published by the United States for classifying diagnoses and reason for visits in all health care settings. The ICD-10-CM is based on the ICD-10, the statistical classification of disease published by the World Health Organization (WHO).