CO-289Contractual ObligationPlan Routing
CO-289 Denial Code: Considered under dental and medical — no benefits
Both dental and medical benefits were considered and neither covers the service.
Why CO-289 happens
- ●Services falling in the gap between dental and medical coverage
How to fix a CO-289 denial
- 1
Verify both plans' determinations; appeal the more plausible one with clinical framing
- 2
Otherwise patient responsibility with clear communication
How to prevent it
Pre-verify coverage pathway for gap-prone oral/facial services.
Drowning in CO-289 denials?
OakClaim works every denial within 48 hours and builds prevention rules so they stop recurring.