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AHA Central Office
AHA Central Office

The AHA Central Office is the sole official authority on questions pertaining to ICD-9, HCPCS and ICD-10 classifications.

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Coding Clinic
Coding Clinic

Have a question about how to properly apply ICD-9 or ICD-10 codes? Submit your question online!

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  • AHA Central Office Coding Resources

    AHA Central Office Coding Resources

    AHA is the official U.S. clearinghouse on medical coding for the proper use of ICD-9, ICD-10 and HCPCS classifications. These codes are not only used to document routine events such as medical diagnoses and procedures, but also for medical events such as poisonings and any adverse effects of drugs. The AHA Coding team produces educational materials that help coders understand and implement the official coding guidelines.

  • Coding Clinic Advisor

    Coding Clinic Advisor

    Coding Clinic Advisor is an online coding question submission website provided by AHA Central Office, the official U.S. Clearinghouse on medical coding for the proper use of the ICD-9-CM, ICD-10-CM and certain HCPCS codes.

  • NUBC

    NUBC

    The NUBC was formed to develop a single billing form and standard data set that could be used nationwide by institutional providers and payers for handling health care claims. The National Uniform Billing Committee (NUBC) was brought together by the American Hospital Association (AHA) in 1975 and it includes the participation of all the major national provider and payer organizations.