Tag: denial codes

CO-29 Denial Code (Timely Filing): Deadlines, Proof and Prevention

The CO-29 denial code is a claim adjustment reason code (CARC 29) that tells a provider the payer received the claim after its filing deadline: “The time limit for filing has expired.” The CO group code puts the loss on the provider, so the balance cannot be shifted to the patient. Review note: filing limits […]