CO-216Contractual ObligationMedical Necessity
CO-216 Denial Code: Based on review organization findings
The denial/adjustment rests on findings from a review organization (QIO, external reviewer) or the payer's own audit findings.
Why CO-216 happens
- ●Post-payment or pre-payment review concluded against the claim
- ●QIO determination on medical necessity or setting
How to fix a CO-216 denial
- 1
Obtain the full findings; appeal through the review body's process with clinical rebuttal
How to prevent it
Treat review-organization requests as high priority with clinician involvement.
Drowning in CO-216 denials?
OakClaim works every denial within 48 hours and builds prevention rules so they stop recurring.