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CARC
CO-138
CARC
General
Quick Facts
Code
CO-138
Type
CARC
Category
General
Status
Deactivated (historical)
What Does This Code Mean?
Appeal procedures not followed or time limits not met. This code was deactivated by X12 (as of 05/01/2018).
Recommended Next Steps
- 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.
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Educational reference only — not medical or legal advice. Always confirm code usage and appeal rights with the specific payer.