(September 8, 2023, 10:55 AM EDT) -- MADISON, Wis. — Alleging that the third-party administrator (TPA) of more than 2,100 self-funded employee welfare benefit plans is a named and functional fiduciary in regard to the challenged conduct, Acting U.S. Department of Labor Secretary Julie A. Su filed an Employee Retirement Income Security Act suit over adverse benefit determinations regarding hospital emergency services claims and urinary drug screening claims....