CO-P16Contractual ObligationWorkers' Comp & Auto
CO-P16 Denial Code: Provider not certified for injured workers
The provider isn't authorized/certified to treat injured workers in this jurisdiction — some states require WC provider registration.
Why CO-P16 happens
- ●Treating WC patients without the state's required WC certification
How to fix a CO-P16 denial
- 1
Obtain the jurisdiction's WC provider certification; past claims may be unpayable
How to prevent it
Verify WC provider requirements before accepting injured workers in a new state.
Drowning in CO-P16 denials?
OakClaim works every denial within 48 hours and builds prevention rules so they stop recurring.