CO-126
What This Code Means
Deductible — Major Medical. This code was deactivated by X12 (as of 04/01/2008).
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.
Educational reference only — not medical or legal advice. Always confirm code usage and appeal rights with the specific payer.