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Denial Code 303

CARC 303: Prior payer's patient responsibility not covered for Qualified Medicare and Medicaid Beneficiaries

This is a Claim Adjustment Reason Code (CARC). CARCs explain why a payer adjusted or denied a claim line and appear with a group code (CO, PR, OA, PI). Codes appear on the EOB / ERA after a claim is adjudicated.

Reference only — CARC/RARC are national code sets updated periodically. Verify against the current official list before acting on a denial or appeal.

Related CARC codes

300
Claim received by the Medical Plan, but benefits not available under this plan. Claim has …
301
Claim received by the Medical Plan, but benefits not available under this plan. Submit the…
302
preauth/notification time limit has expired
304
Claim received by the medical plan, but benefits not available under this plan. Submit the…
305
Claim received by the medical plan, but benefits not available under this plan. Claim has …
306
Type of bill is inconsistent with the patient status

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