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179
CO - Contractual ObligationCoverage
Denial Code CO-179: Date of Service After Termination
What Does Code 179 Mean?
Services provided after the patient's date of coverage termination with this payer.
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 patient's coverage terminated before the date of service.
How to Resolve It
- 1Verify coverage termination date
- 2Check for COBRA or continuation coverage
- 3Bill the patient or their current insurance carrier
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