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CO-52 - Denial Journal
CARC

CO-52

What This Code Means

The referring/prescribing/rendering provider is not eligible to refer/prescribe/order/perform the service billed. This code was deactivated by X12 (as of 02/01/2006).

How to Resolve or Appeal

  1. This is a historical/deactivated code — no longer used on current claims. If seen on an old remittance, refer to the replacement code noted above where available.

More Denial Codes to Check

CARC CO-34 CARC CO-178 CARC CO-227 RARC MA96 CARC CO-D23 CARC CO-239 CARC CO-141 CARC B9 Patient is enrolled in a Hospice CARC CO-184 CARC CO-140 CARC PR-238

Educational reference only — not medical or legal advice. Always confirm code usage and appeal rights with the specific payer.

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