CO-B8Contractual ObligationMedical Necessity
CO-B8 Denial Code: Alternative services should have been used
The payer says a less-intensive alternative was available and should have been used — utilization logic.
Why CO-B8 happens
- ●Higher-level service where policy expects step-down alternatives first
How to fix a CO-B8 denial
- 1
Appeal with documentation of why the alternative was inappropriate for this patient
How to prevent it
Document alternative-treatment consideration for services with step-therapy-style policies.
Drowning in CO-B8 denials?
OakClaim works every denial within 48 hours and builds prevention rules so they stop recurring.