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CARC Code Reference

CARC 31: Patient cannot be identified as our insured.

Patient cannot be identified as our insured.

Group code CO, PI or PR
Category Patient Eligibility
Risk level High
Appealable No

Common RARC pairings

RARCs (Remittance Advice Remark Codes) provide the specific reason detail alongside CARC 31 on the 835 electronic remittance. These are the RARCs seen most often with this CARC.

RARCMeaning
MA61 Missing/incomplete/invalid social security number.
MA130 Your claim contains incomplete and/or invalid information, and no appeal rights are afforded because the claim is unprocessable. Please submit a new claim with the complete/correct information.

See the full resolution workflow for CARC 31

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.

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