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58
CO - Contractual ObligationCoding/Billing
Denial Code CO-58: Treatment Not Furnished Directly
What Does Code 58 Mean?
Treatment was deemed by the payer to have been rendered in an inappropriate or invalid place of service.
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?
Service billed at a facility level when it should have been at an outpatient or office level.
How to Resolve It
- 1Verify the correct place of service
- 2Resubmit with the appropriate place of service code
- 3If correct, appeal with justification for the setting of care
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