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Last Modified: 12/5/2017 Location: FL, PR, USVI Business: Part A

Claims rejecting in error with CWF reason codes U6816, U6817, and U6818

First Coast has identified Part A claims rejecting in error with common working file (CWF) reason codes U6816, U6817, and U6818 when Part A claims are billed with the applicable CARC codes listed in change request (CR) 8984 external pdf file and CR 9009 external pdf file, which permit a residual payment if the services billed are covered and payable by Medicare.
The Centers for Medicare & Medicaid Services (CMS) has directed contractors to adjust claims that were rejected in error with reason codes U6816, U6817, or U6818 that were billed according to the criteria outlined in CR 8984 and CR 9009.
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Current processing issues
Here is a link to a table of current processing issues for both Part A and Part B.
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