CO-P28Contractual ObligationWorkers' Comp & Auto
CO-P28 Denial Code: Auto — liability coverage payment adjusted
Adjusted (not denied) under auto liability jurisdictional regulations/policies.
Why CO-P28 happens
- ●Liability payment rules reducing the amount
How to fix a CO-P28 denial
- 1
Verify the adjustment basis; dispute through the carrier process
How to prevent it
Track liability-case payment rules alongside PIP rules.
Drowning in CO-P28 denials?
OakClaim works every denial within 48 hours and builds prevention rules so they stop recurring.