How does RARC MA17 pair with CARCs?

RARC MA17 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 MA17: We are the primary payer and have paid at the primary rate. You must contact the patient's other insurer to refund any excess it may have paid due to its erroneous primary payment.

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

We are the primary payer and have paid at the primary rate. You must contact the patient's other insurer to refund any excess it may have paid due to its erroneous primary payment.

Code type RARC (Remark)

Category Reference

See the full resolution workflow for RARC MA17

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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