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CARC
CO-182
CARC
CO — Contractual Obligation
Coding/Modifier
Quick Facts
Code
CO-182
Type
CARC
Category
Coding/Modifier
Status
Active
Procedure modifier was invalid on the date of service
What Does This Code Mean?
The modifier attached to the procedure code wasn’t valid as of the date of service.
Common Causes
- Modifier retired or replaced in an annual update
- Modifier doesn't apply to this specific code
Recommended Next Steps
- Confirm modifier validity for the code and date of service
- Correct and resubmit
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Educational reference only — not medical or legal advice. Always confirm code usage and appeal rights with the specific payer.