What is CO 29 Mean? The CO 29 denial code stands for “The time limit for filing has expired.” This CO 29 denial occurs when a healthcare provider submits a claim after the payer’s timely filing limit (TFL) has passed. Every insurance company sets a deadline — usually 90 to 365 days from the Date…
What is CO 18 Mean? The CO 18 denial code stands for “Duplicate claim/service.” This means the insurance payer has determined that the claim or a specific service line was already submitted and processed previously — and the new claim appears to be a duplicate. In other words, the payer believes you’ve already billed for…
Waiver of Liability in medical billing might sound like just another piece of paperwork, but in reality, it’s a powerful safety net for healthcare providers. Imagine this: your medical team delivers quality care, documentation is complete, the claim is submitted—and then suddenly, the insurance denies it. All the effort, time, and resources that went into…