ICD 10-CM Code Repository
ICD-10 (International Classification of Diseases, 10th Edition) is the global standard for diagnosing and classifying health conditions. Used by healthcare providers, insurance companies, and medical coders, ICD-10 codes ensure accurate documentation, billing, and reporting of diseases, symptoms, and procedures. With a detailed and structured coding system, ICD-10 improves patient care, streamlines medical claims processing, and supports healthcare analytics. Explore the latest ICD-10 codes and updates to stay compliant with industry standards.

2025 ICD-10-CM Codes
Our index below goes entry by entry, group by group as a reference to the most common ICD-10 CM Code Groups encountered in the field. This index also provides context around difficult coding and billing issues that are experienced through the nuanced understanding of these codes and medical situations.
Chapter Categorizations
Certain infectious and parasitic diseases
Neoplasms
Diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism
Endocrine, nutritional and metabolic diseases
Mental, Behavioral and Neurodevelopmental disorders
Diseases of the nervous system
Diseases of the eye and adnexa
Diseases of the ear and mastoid process
Diseases of the circulatory system
Diseases of the respiratory system
Diseases of the digestive system
Diseases of the skin and subcutaneous tissue
Diseases of the musculoskeletal system and connective tissue
Diseases of the genitourinary system
Pregnancy, childbirth and the puerperium
Certain conditions originating in the perinatal period
Congenital malformations, deformations and chromosomal abnormalities
Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified
Injury, poisoning and certain other consequences of external causes
Codes for special purposes
External causes of morbidity
Factors influencing health status and contact with health services