CO-6 Denial Code: What It Means, Why It Happens, and How to Fix It
CO-6 is a Claim Adjustment Reason Code meaning the procedure or revenue code billed is inconsistent with the patient’s age on the claim. The CO group code assigns the adjustment to the provider, so the balance can’t be billed to the patient. CARC 6 is a demographic edit. It doesn’t evaluate medical necessity. Inside the […]
