How does RARC N866 pair with CARCs?

RARC N866 is a remark code that appears alongside CARCs on the 835 electronic remittance advice to provide detail about the adjustment.

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RARC Code Reference

RARC N866: Alert: This claim is subject to the No Surprises Act provisions that apply to services furnished by nonparticipating providers of air ambulance services.

By Mindy Corbett, CSPO, CPC, CPB, CPPM · Last updated: August 2026

Alert: This claim is subject to the No Surprises Act provisions that apply to services furnished by nonparticipating providers of air ambulance services.

Code type RARC (Remark)

Category Reference

See the full resolution workflow for RARC N866

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 quirks.

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