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CARC Code Reference

CARC P31: Payment denied for exacerbation when treatment exceeds time allowed. To be used for Property and Casualty only.

Payment denied for exacerbation when treatment exceeds time allowed. To be used for Property and Casualty only.

Group code CO, PI or PR
Category P&C Guidelines
Risk level Medium
Appealable Review Required

Common RARC pairings

RARCs (Remittance Advice Remark Codes) provide the specific reason detail alongside CARC P31 on the 835 electronic remittance. These are the RARCs seen most often with this CARC.

RARCMeaning
N351 Service date outside of the approved treatment plan service dates.
N370 Billing exceeds the rental months covered/approved by the payer.
N435 Exceeds number/frequency approved /allowed within time period without support documentation.
N640 Exceeds number/frequency approved/allowed within time period.

See the full resolution workflow for CARC P31

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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