CO-301Contractual ObligationPlan Routing
CO-301 Denial Code: Medical plan received it — belongs to behavioral health
Submit these services directly to the patient's behavioral health plan — the medical plan won't forward them.
Why CO-301 happens
- ●BH services billed to the medical payer with a carve-out in place
How to fix a CO-301 denial
- 1
Identify the BH administrator from eligibility and rebill there
How to prevent it
Eligibility checks should capture the BH carve-out entity for psych/substance-use services.
Drowning in CO-301 denials?
OakClaim works every denial within 48 hours and builds prevention rules so they stop recurring.