Denial Code CO-B7: Description, Meaning and How to Fix It
The provider was not credentialed or enrolled with the payer for that date/service.
Official description
This provider was not certified/eligible to be paid for this procedure/service on this date of service.
Common cause
Credentialing or payer enrollment was incomplete or lapsed.
How to fix it
Confirm the provider's enrollment and effective dates with the payer, complete enrollment, then appeal or rebill for eligible dates.
Related denial codes
- CO-45: The amount billed is higher than the payer's contracted (allowed) rate. The difference is a contractual write-off, not a patient balance.
- CO-16: The claim is missing required information or has an error. It is almost always paired with a RARC that names the specific missing field.
- CO-97: This service is bundled into another service that was already paid, so it is not paid separately.
- CO-18: The payer received this exact claim/service already.
- CO-22: Another insurer should be billed first under coordination of benefits.
- CO-29: The claim was submitted after the payer's filing deadline.