The American Hospital Association's Central Office serves as the official U.S. Clearinghouse on medical coding for the proper use of ICD-10-CM and ICD-10-PCS (formerly ICD-9-CM) coding systems and Level I HCPCS (CPT-4 codes) for hospital providers and certain Level II HCPCS codes for hospitals, physicians and other health professionals. The AHA Central Office is the publisher of the AHA Coding Clinic for ICD-10-CM and ICD-10-PCS and the AHA Coding Clinic for HCPCS. AHA Coding Clinic for ICD-10-CM and ICD-10-PCS represents a formal cooperative effort between the American Hospital Association (AHA), the American Health Information Management Association (AHIMA), the Centers for Disease Control and Prevention (CDC) National Center for Health Statistics (NCHS) and the Centers for Medicare & Medicaid Services (CMS).
For more on AHA Central Office and its role in medical coding and medical coding issues, check out this 2010 article, "Hidden Treasure" by Judy Sturgeon, CSS, in For the Record.