AHA Central Office

The American Hospital Association's Central Office serves as the official U.S. Clearinghouse on medical coding for the proper use of the ICD-9-CM and ICD-10-CM/PCS systems and Level I HCPCS (CPT-4 codes) for hospital providers and certain Level II HCPCS codes for hospitals, physicians and other health professionals.

Related Resources

Letter/Comment
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  March 2, 2021
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