Revenue code and Procedure code do not match.
Group code
CO or PI
Category
Coding
Risk level
High
Appealable
Yes
Common RARC pairings
RARCs (Remittance Advice Remark Codes) provide the specific reason detail alongside CARC 199 on the 835 electronic remittance. These are the RARCs seen most often with this CARC.
| RARC | Meaning |
|---|---|
| N657 | This should be billed with the appropriate code for these services. |
See the full resolution workflow for CARC 199
Members of the EDI-Code Intelligence Lab get the step-by-step rework path, appeal language, root-cause drivers, and prevention checklist for every CARC and RARC pairing, plus payer-specific quirks.
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