CO-23Contractual Adjustment
Claim denied because payment made to patient
What this code means
The insurer sent payment directly to you instead of your provider. Your provider may be billing you again for a balance that was already paid.
What to do next
Check your bank account or mail for a check from your insurer. If you received payment, forward it to your provider with an explanation. If you did not receive it, contact your insurer to trace the payment.
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