Mealey's (February 5, 2018, 1:43 PM EST) -- MIAMI — A health insurer’s “dilatory and obstructionist tactics” resulted in 100,000 unprocessed claims worth $100 million to substance abuse centers and their laboratory, the providers tell a federal judge in Florida in a Jan. 18 brief (National Laboratories LLC, et al. v. UnitedHealth Group Inc., et al., No. 17-81178, S.D. Fla.)....