CO-B7Contractual ObligationProvider Enrollment
CO-B7 Denial Code: Provider not certified/eligible for this service
This provider was not certified or eligible to be paid for this procedure/service on this date of service.
Why CO-B7 happens
- ●Provider not credentialed/enrolled with the payer on the DOS
- ●Credentialing lapsed or effective date after the DOS
- ●Service outside the provider's certified specialty
How to fix a CO-B7 denial
- 1
Check the provider's effective enrollment dates with the payer
- 2
If enrolled, appeal with the approval letter
- 3
If pending, hold claims until the effective date or request retro-enrollment
How to prevent it
Track credentialing status and payer effective dates; hold claims for uncredentialed providers.
Drowning in CO-B7 denials?
OakClaim works every denial within 48 hours and builds prevention rules so they stop recurring.