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Medicare Claims Processing Manual Chapter 27 - Contractor Instructions for CWF

Guidance for Common Working File (CWF) host contractors, A/B and DME Medicare Administrative Contractors. This document provides information related to the roles and responsibilities of these parties, reviewing beneficiary and claim information, requesting assistance in resolving CWF problems and other aspects of managing CWFs.

Download the Guidance Document

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

Issue Date: December 06, 2019

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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.