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252
CO - Contractual ObligationDocumentation
Denial Code CO-252: Additional Documentation Required
What Does Code 252 Mean?
An attachment/other documentation is required to adjudicate this claim/service. Additional clinical records or documentation must be submitted.
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 payer needs additional clinical information to make a coverage determination.
How to Resolve It
- 1Contact the payer to determine what documentation is needed
- 2Gather and submit the required records
- 3Resubmit the claim with the documentation attached