CO-226Contractual ObligationDocumentation
CO-226 Denial Code: Information requested from billing provider not provided
Information requested from the billing/rendering provider was not provided, was insufficient, or was incomplete.
Why CO-226 happens
- ●Records request letter missed or sent to the wrong address
- ●Partial records submitted
How to fix a CO-226 denial
- 1
Find the original request and submit complete records promptly
- 2
Confirm receipt with the payer and track the redetermination
How to prevent it
Centralize payer correspondence and work records requests within days.
Drowning in CO-226 denials?
OakClaim works every denial within 48 hours and builds prevention rules so they stop recurring.