Understanding CO 109 Denial Code in Medical Billing and How to Prevent It
The CO 109 denial code in medical billing indicates that a claim was not received within the payer’s timely filing limit, leading to rejected reimbursements. This common denial can significantly impact your revenue cycle if not addressed proactively. At Allzone Management Services, we help healthcare providers identify the root causes of CO 109 denials—such as delayed submissions, incorrect patient data, or missing documentation—and implement proven strategies to prevent them. Our denial management experts ensure timely claim filing, clean claim submission, and payer compliance to maximize reimbursement efficiency. Learn how Allzone MS can help your practice reduce claim rejections, strengthen billing accuracy, and improve cash flow through advanced denial prevention solutions.