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RARC Code Reference

RARC N450: Covered only when performed by the primary treating physician or the designee.

Covered only when performed by the primary treating physician or the designee.

Code type RARC (Remark)
Category Non-Covered Service

Common CARC pairings

RARCs like N450 ride alongside CARCs on the 835 electronic remittance advice. These are the CARC denials RARC N450 is most often paired with.

CARCMeaning
54 Multiple physicians/assistants are not covered in this case. Usage: Refer to the 835 Healthcare Policy Identification Segment (loop 2110 Service Payment Information REF), if present.
96 Non-covered charge(s). At least one Remark Code must be provided (may be comprised of either the NCPDP Reject Reason Code, or Remittance Advice Remark Code that is not an ALERT.) Usage: Refer to the 835 Healthcare Policy Identification Segment (loop 2110 Service Payment Information REF), if present.
185 The rendering provider is not eligible to perform the service billed. Usage: Refer to the 835 Healthcare Policy Identification Segment (loop 2110 Service Payment Information REF), if present.
242 Services not provided by network/primary care providers.
243 Services not authorized by network/primary care providers.
B7 This provider was not certified/eligible to be paid for this procedure/service on this date of service. Usage: Refer to the 835 Healthcare Policy Identification Segment (loop 2110 Service Payment Information REF), if present.

See the full resolution workflow for RARC N450

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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