Medical Coding Practice Test

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Which entity updates and maintains the diagnosis portion of ICD-9-CM?

  1. AHIMA

  2. CMS

  3. AHA

  4. NCHS

The correct answer is: AHA

The American Hospital Association (AHA) updates and maintains the diagnosis portion of ICD-9-CM. The AHA works closely with the National Center for Health Statistics (NCHS) to ensure that the International Classification of Diseases, 9th Revision, Clinical Modification (ICD-9-CM) diagnosis codes remain current and accurate for use in healthcare settings. The other options, such as AHIMA (American Health Information Management Association) and CMS (Centers for Medicare & Medicaid Services), have roles in healthcare but are not responsible for updating and maintaining the diagnosis portion of ICD-9-CM.

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