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109
CO - Contractual ObligationCoverage
Denial Code CO-109: Not Covered by This Payer
What Does Code 109 Mean?
Claim/service not covered by this payer/contractor. You must send the claim to the correct payer/insurer.
Group Code CO (Contractual Obligation): The provider has agreed to accept the payer's determination. The patient is generally not responsible for this amount.
Why Does This Happen?
The claim was submitted to the wrong insurance company or the service is carved out to a different payer.
How to Resolve It
- 1Verify the patient's current insurance information
- 2Identify the correct payer and resubmit
- 3Check for coordination of benefits issues