CO-30
What This Code Means
Payment adjusted because the patient has not met the required eligibility, spend down, waiting, or residency requirements. This code was deactivated by X12 (as of 02/01/2006).
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.