Atrium Health has stopped its practice of filing liens against patients who have overdue bills, but the policy change does not affect the system’s Triad hospitals. The change came months after a study revealed Atrium Health was the most litigious system in North Carolina, filing over 2,800 lawsuits in a five-year period. Here's the reason AHWFB isn't affected by the new policy, the details of Atrium's previous lawsuits and the policies at other Triad systems.