CO-307Contractual ObligationPayment Adjustment
CO-307 Denial Code: Medicare drug negotiation refund adjustment
Adjustment under the Medicare Drug Price Negotiation Program's Maximum Fair Price refund mechanics — drug-negotiation program bookkeeping.
Why CO-307 happens
- ●Negotiated-drug claims reconciled to the Maximum Fair Price
How to fix a CO-307 denial
- 1
Verify against the program's published MFP for the drug and period
How to prevent it
Track MFP drug lists if you buy-and-bill affected drugs.
Drowning in CO-307 denials?
OakClaim works every denial within 48 hours and builds prevention rules so they stop recurring.