How does RARC N817 pair with CARCs?

RARC N817 is a remark code that appears alongside CARCs on the 835 electronic remittance advice to provide detail about the adjustment.

Back to library

RARC Code Reference

RARC N817: Alert: Applicable laboratories are required to collect and report private payor data and report that data to CMS between January 1, 2020 - March 31, 2020.

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

Alert: Applicable laboratories are required to collect and report private payor data and report that data to CMS between January 1, 2020 - March 31, 2020.

Code type RARC (Remark)

Category Reference

See the full resolution workflow for RARC N817

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.

Open in EDI Lab