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Denial Code 183

CARC 183: The referring provider is not eligible to refer the service billed

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

180
Patient has not met the required residency requirements
181
Procedure code was invalid on the date of service
182
Procedure modifier was invalid on the date of service
184
The ordering provider is not eligible to prescribe/order the service billed
185
The rendering provider is not eligible to perform the service billed
186
Level of care change adjustment

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