Reimbursement has been made according to the bilateral procedure rule.
Code type
RARC (Remark)
Category
Coding
Common CARC pairings
RARC N644 appears with a Claim Adjustment Reason Code (CARC) on the 835 electronic remittance advice and gives more detail about the adjustment. These are the CARCs most often paired with RARC N644.
| CARC | Meaning |
|---|---|
| 59 | Processed based on multiple or concurrent procedure rules. (For example multiple surgery or diagnostic imaging, concurrent anesthesia.) Usage: Refer to the 835 Healthcare Policy Identification Segment (loop 2110 Service Payment Information REF), if present. |
| 236 | 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. |
See the full resolution workflow for RARC N644
Members of the EDI-Code Intelligence Lab get the step-by-step rework path, appeal language, root-cause drivers, and prevention checklist for every RARC and CARC pairing, plus payer-specific requirements.
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