109Denial Code (CARC)Active
CO 109 Denial Code: Not Covered by This Payer
CARC 109 indicates that the claim or service you submitted is not covered by the payer or contractor who processed it. This means the claim needs to be sent to a different payer or contractor for consideration.
Who Pays: Group Code Liability
Under CARC 109, the group code is typically CO, meaning it is a contractual obligation and the provider must write it off. The patient should not be billed for this amount under usual circumstances.
Why Claims Get Code 109
- The claim was submitted to the wrong insurance payer.
- The payer does not have a contract to cover the submitted service.
- The patient's insurance information was entered incorrectly, leading to submission to the wrong payer.
- The service is covered under a different payer due to coordination of benefits (COB) rules.
- The provider is out-of-network for the payer that received the claim.
How to Fix & Resubmit
- Verify the patient's insurance information for accuracy, including payer details.
- Check the patient's coverage to ensure the correct payer is identified for the service.
- Review coordination of benefits (COB) rules to confirm the proper payer order.
- Correct any errors in the insurance information or payer details.
- Resubmit the claim to the correct payer or contractor once verified.
Corrected Claim or Appeal?
For CARC 109, an appeal is not appropriate since the claim needs to be sent to the correct payer. Submit a corrected claim to the appropriate payer after verifying details.
Preventing Future 109 Denials
- Ensure accurate insurance information is collected during patient registration.
- Verify payer contracts and network status before claim submission.
- Implement checks for correct payer identification based on COB rules.
- Train billing staff to recognize payer-specific coverage requirements.