This procedure or procedure/modifier combination is not compatible with another procedure or procedure/modifier combination provided on the same day according to the National Correct Coding Initiative or workers compensation state regulations/ fee schedule requirements.
Group code
CO or PI
Category
Coding
Risk level
High
Appealable
Rarely
Common RARC pairings
RARCs (Remittance Advice Remark Codes) provide the specific reason detail alongside CARC 236 on the 835 electronic remittance. These are the RARCs seen most often with this CARC.
| RARC | Meaning |
|---|---|
| N644 | Reimbursement has been made according to the bilateral procedure rule. |
| N657 | This should be billed with the appropriate code for these services. |
See the full resolution workflow for CARC 236
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.
Open in EDI Lab