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CARC Code Reference

CARC 9: The diagnosis is inconsistent with the patient's age. Usage: Refer to the 835 Healthcare Policy Identification Segment (loop 2110 Service Payment Information REF), if present.

The diagnosis is inconsistent with the patient's age. Usage: Refer to the 835 Healthcare Policy Identification Segment (loop 2110 Service Payment Information REF), if present.

Group code CO, PI or PR
Category Coding
Risk level High
Appealable Yes

Common RARC pairings

RARCs (Remittance Advice Remark Codes) provide the specific reason detail alongside CARC 9 on the 835 electronic remittance. These are the RARCs seen most often with this CARC.

RARCMeaning
M37 Not covered when the patient is under age 35.
M82 Service is not covered when patient is under age 50.
M89 Not covered more than once under age 40.
N129 Not eligible due to the patient's age.
N517 Resubmit a new claim with the requested information.
N657 This should be billed with the appropriate code for these services.
N906 Service is not covered when patient is under age 45.

See the full resolution workflow for CARC 9

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 requirements.

Open in EDI Lab