← Back to Code Directory
CARC
CO-207
CARC
CO — Contractual Obligation
Coding/Modifier
Quick Facts
Code
CO-207
Type
CARC
Category
Coding/Modifier
Status
Active
National Provider Identifier — invalid format
What Does This Code Mean?
The NPI submitted doesn’t match the required 10-digit format.
Common Causes
- Typo or extra/missing digit in the NPI field
- Wrong identifier type submitted in the NPI field
Recommended Next Steps
- Verify the correct 10-digit NPI and resubmit
Recently Viewed
Educational reference only — not medical or legal advice. Always confirm code usage and appeal rights with the specific payer.