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CARC Code Reference

CARC 302: Precertification/notification/authorization/pre-treatment time limit has expired.

Precertification/notification/authorization/pre-treatment time limit has expired.

Group code CO, PI or PR
Category Prior Authorization
Risk level Critical
Appealable Yes

Common RARC pairings

RARCs (Remittance Advice Remark Codes) provide the specific reason detail alongside CARC 302 on the 835 electronic remittance. These are the RARCs seen most often with this CARC.

RARCMeaning
N54 Claim information is inconsistent with pre-certified/authorized services.
N170 A new/revised/renewed certificate of medical necessity is needed.
N351 Service date outside of the approved treatment plan service dates.

See the full resolution workflow for CARC 302

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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