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189
CO - Contractual ObligationCoverage
Denial Code CO-189: Not Deemed as Covered Benefit
What Does Code 189 Mean?
Not otherwise classified or the determination is not classified under a standard code. The payer's reason for the adjustment doesn't fit standard categories.
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?
Catch-all code for adjustments that don't fit other specific reason codes.
How to Resolve It
- 1Contact the payer for a specific explanation
- 2Request the detailed denial rationale in writing
- 3Appeal based on the specific reason provided
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