Remittance advice remark codes give more information about an adjustment than the CARC alone. N-codes and M-codes point to specific missing or invalid information, for example a missing or invalid provider identifier.
Reading the CARC and RARC together usually tells you exactly what to fix.
Related terms
- CARC (claim adjustment reason code)
- The standard code that explains why a claim line was paid differently than billed.
- ERA (835)
- The electronic remittance advice: the payer's electronic explanation of payment.
- Claim denial
- A payer's decision not to pay a claim that it received and processed.