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CO 45 denial code dental

On a dental remittance, code CO 45 means: The billed charge exceeds the fee schedule, maximum allowable, or contracted rate — the amount above the allowed rate is adjusted off. depends: check the facts first. The adjustment itself is contractual. What is contestable is the underlying fee schedule: if the allowed amount does not match your contracted schedule, request the fee schedule the claim was priced against and dispute the pricing — that is an underpayment dispute, not a benefits appeal.

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2026-08-29
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  • X12-CARC X12 Claim Adjustment Reason Codes (official list) (x12.org)

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