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CARC Code Reference

CARC 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.

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.

Group code CO, PI or PR
Category Credentialing/Enrollment
Risk level High
Appealable Review Required

Common RARC pairings

RARCs (Remittance Advice Remark Codes) provide the specific reason detail alongside CARC B7 on the 835 electronic remittance. These are the RARCs seen most often with this CARC.

RARCMeaning
M143 The provider must update license information with the payer.
MA47 Our records show you have opted out of Medicare, agreeing with the patient not to bill Medicare for services/tests/supplies furnished. As result, we cannot pay this claim. The patient is responsible for payment.
MA56 Our records show you have opted out of Medicare, agreeing with the patient not to bill Medicare for services/tests/supplies furnished. As result, we cannot pay this claim. The patient is responsible for payment, but under Federal law, you cannot charge the patient more than the limiting charge amount.
MA120 Missing/incomplete/invalid CLIA certification number.
N95 This provider type/provider specialty may not bill this service.
N115 This decision was based on a Local Coverage Determination (LCD). An LCD provides a guide to assist in determining whether a particular item or service is covered. A copy of this policy is available at www.cms.gov/mcd, or if you do not have web access, you may contact the contractor to request a copy of the LCD.
N425 Statutorily excluded service(s).
N450 Covered only when performed by the primary treating physician or the designee.

See the full resolution workflow for CARC B7

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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