uniQ RCM

Medical Billing Resource

CO-16 Claim Denial: Causes & How to Fix It

The CO-16 denial code means missing or invalid claim information — common causes, which fields trigger CO-16, and step-by-step correction and resubmission.

Expert support for stronger financial performance

Read practical guidance for healthcare leaders, billing teams, coders, and practice managers. Explore the related resources below for more revenue cycle insights.