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Fiscal Intermediary Shared System (FISS) - Eliminate Multiple Common Working File (CWF) Replies Received in the Same Cycle

This CR is a technical change to implement FISS' proposed solution to an issue where CWF approved replies are not always applied to the claim. FISS analysis of MAC CWF reply files found that there are instances when more than one CWF reply is processed in the same batch reply file. The first reply record updates the claim and subsequent replies are dropped. This change will modify FISS to remove duplicate replies from the batch CWF reply file to ensure that any CWF reply with a disposition indicating CWF accepted the claim is processed.

Download the Guidance Document


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

Issue Date: March 12, 2021

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.