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177
CO - Contractual ObligationCoverage
Denial Code CO-177: Patient Not Enrolled on Date of Service
What Does Code 177 Mean?
Patient was not enrolled with the managed care plan on the date of service. Coverage was not active when the service was rendered.
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 managed care enrollment had not started or had lapsed on the date of service.
How to Resolve It
- 1Verify the patient's enrollment dates with the payer
- 2Check for retroactive enrollment
- 3Bill the patient or alternate insurance if not covered
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