CO-184Contractual ObligationProvider Enrollment
CO-184 Denial Code: Ordering provider not eligible to order
The prescribing/ordering provider isn't eligible to order the billed service — the ordering-side twin of CO-183.
Why CO-184 happens
- ●Ordering provider unenrolled, opted-out, or excluded
- ●Provider type outside its ordering scope for this service
How to fix a CO-184 denial
- 1
Verify enrollment status; secure a valid order from an eligible provider
How to prevent it
Screen ordering providers against enrollment and exclusion lists (PECOS, OIG LEIE).
Drowning in CO-184 denials?
OakClaim works every denial within 48 hours and builds prevention rules so they stop recurring.