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Denial Code 23

CARC 23: The impact of prior payer(s) adjudication including payments and/or adjustments

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

20
This injury/illness is covered by the liability carrier
21
This injury/illness is the liability of the no-fault carrier
22
This care may be covered by another payer per coordination of benefits
24
Charges are covered under a capitation agreement/managed care plan
26
Expenses incurred prior to coverage
27
Expenses incurred after coverage terminated

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