CO-D13
What This Code Means
Claim/service denied. Performed by a facility/supplier in which the ordering/referring physician has a financial interest. This code was deactivated by X12 (as of 10/16/2003). See: 17.
How to Resolve or Appeal
- 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
Educational reference only — not medical or legal advice. Always confirm code usage and appeal rights with the specific payer.