CO-306Contractual ObligationCoding
CO-306 Denial Code: Type of bill inconsistent with patient status
Institutional edit: the TOB conflicts with the patient discharge status on the claim.
Why CO-306 happens
- ●Discharge status code contradicting the bill type (e.g., still-patient status on a final bill)
How to fix a CO-306 denial
- 1
Align TOB frequency and patient status codes; rebill
How to prevent it
Edit checks pairing TOB frequency with discharge status.
Drowning in CO-306 denials?
OakClaim works every denial within 48 hours and builds prevention rules so they stop recurring.