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Fiscal Intermediary Shared System (FISS) - Correct CMS Standard on Reason Code File

The purpose of this Change Request (CR) is to correct the CMS Standard for Medicare Administrative Contractor (MAC) established hooks and some National Coverage Determination (NCD) reason codes assigned to deny Common Working file (CWF) utilization edits.

Download the Guidance Document


Issued by: Centers for Medicare & Medicaid Services (CMS)

Issue Date: July 27, 2023

DISCLAIMER: The contents of this database lack the force and effect of law, except as authorized by law (including Medicare Advantage Rate Announcements and Advance Notices) or as specifically incorporated into a contract. The Department may not cite, use, or rely on any guidance that is not posted on the guidance repository, except to establish historical facts.