Common Working File (CWF) Submission of Codes to the Part A Contractors and Shared Systems and the Systems Ability to Override the Claim Level CWF Edit for Certain MSP Claims
CWF is to allow FISS the ability to override the error code "6818" with the “M” or “N” code in the 001 Revenue Code line field. As with other MSP utilization error codes, FISS’ use of the "M" or "N" will override the entire claim.
Issued by: Centers for Medicare & Medicaid Services (CMS)
Issue Date: February 19, 2010
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