CO-91Contractual ObligationPayment Adjustment
CO-91 Denial Code: Dispensing fee adjustment
Pharmacy-only adjustment to the dispensing fee component of a drug claim.
Why CO-91 happens
- ●Billed dispensing fee differs from the contracted fee
How to fix a CO-91 denial
- 1
Verify contract dispensing fee; post or dispute accordingly
How to prevent it
Load contracted dispensing fees into the pharmacy system.
Drowning in CO-91 denials?
OakClaim works every denial within 48 hours and builds prevention rules so they stop recurring.