Medical Coding for ICD-10-CM Diagnosis Codes and ICD-10-PCS Procedure Codes

ICD List is a free reference website that provides detailed information on the American version of the ICD-10-CM diagnosis codes and ICD-10-PCS procedure codes classification systems. The 2023-2024 version of the diagnosis and procedure codes takes effect on October 1, 2023. Our site features the latest code list with over 97,200 diagnosis codes and 79,400 procedure codes, all sourced from the Centers for Medicare and Medicaid Services (CMS).

Use our free ICD-10 lookup tools to easily find diagnosis codes, procedure codes, medical coding guidelines, and billing details. We also offer code converters, easy-to-navigate indexes, and reference tables for your convenience.

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About ICD-10

About Diagosis Codes

The International Classification of Diseases, 10th Revision, is a system created by the World Health Organization (WHO) to track the prevalence of diseases and other health conditions. In the U.S., the Centers for Medicare and Medicaid Services (CMS) introduced the ICD-10 Clinical Modification (ICD-10-CM) to help healthcare providers classify diseases, symptoms, injuries, and other health-related factors. ICD-10-CM is widely used in the American healthcare system, to improve treatments, minimize medication mistakes, process medical claims, and more.

The International Classification of Diseases, 10th Revision, Procedure Coding System (ICD-10-PCS) is a medical classification coding system for procedural codes. ICD-10-PCS is the official U.S. system used to assign codes to hospital-related procedures.