CO-26Contractual ObligationEligibility
CO-26 Denial Code: Expenses incurred prior to coverage
Expenses were incurred before the patient's coverage became effective.
Why CO-26 happens
- ●DOS before the policy effective date
- ●New coverage keyed with the wrong effective date
How to fix a CO-26 denial
- 1
Verify the coverage effective date
- 2
Bill the plan that was active on the DOS, or the patient if none
How to prevent it
Real-time eligibility at scheduling and check-in.
Drowning in CO-26 denials?
OakClaim works every denial within 48 hours and builds prevention rules so they stop recurring.