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239
CO - Contractual ObligationCoverage
Denial Code CO-239: Claim Billed to Wrong Plan
What Does Code 239 Mean?
Charges adjusted because the service was billed to the incorrect health plan. The patient's coverage is with a different payer or plan.
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?
Wrong insurance billed, or patient has changed plans.
How to Resolve It
- 1Verify the patient's current active insurance
- 2Resubmit to the correct payer
- 3Check for retroactive plan changes
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