CO-6
Procedure/revenue code inconsistent with the patient's age
What This Code Means
The billed code is not appropriate given the patient’s age on the date of service.
Common Causes
- Age-specific procedure code billed for a patient outside that age range
- Data entry error in patient date of birth
How to Resolve or Appeal
- Confirm the patient's date of birth is correct on the claim
- Verify the code is age-appropriate; correct and resubmit if not
More Denial Codes to Check
Educational reference only — not medical or legal advice. Always confirm code usage and appeal rights with the specific payer.