Denial code · Contractual Obligation (CO)
CO-45 denial code
The charge is more than the most the payer will allow for that service.
What the code means
Official meaning: Charge exceeds fee schedule/maximum allowable or contracted/legislated fee arrangement.
In plain words: The charge is more than the most the payer will allow for that service.
The usual fix
Check the allowed amount for that service, fix the charge to the right amount where the payer's rules call for it, and send the claim again corrected.
This is general information, not advice on a specific claim.
Learn on the job
Learn on the job with real denied claims.
Working denied claims is the medical claims desk's daily work. Read a code, find what is missing, fix the claim, or write the appeal.