← Back to Code Directory
CARC
CO-206
CARC
CO — Contractual Obligation
Coding/Modifier
Quick Facts
Code
CO-206
Type
CARC
Category
Coding/Modifier
Status
Active
National Provider Identifier (NPI) — missing
What Does This Code Mean?
The claim is missing an NPI that the payer requires.
Common Causes
- NPI field left blank on the claim
- Clearinghouse dropped the NPI during transmission
Recommended Next Steps
- Add the correct NPI (billing, rendering, and/or referring as required) and resubmit
Recently Viewed
Educational reference only — not medical or legal advice. Always confirm code usage and appeal rights with the specific payer.