CO-P4Contractual ObligationWorkers' Comp & Auto
CO-P4 Denial Code: WC claim non-compensable
The WC claim was adjudicated non-compensable — this payer isn't liable for the treatment.
Why CO-P4 happens
- ●WC adjudication found the claim non-compensable
How to fix a CO-P4 denial
- 1
Bill the health plan with the WC determination; the patient may appeal through WC channels
How to prevent it
Track compensability determinations — they redirect the entire payer path.
Drowning in CO-P4 denials?
OakClaim works every denial within 48 hours and builds prevention rules so they stop recurring.