Mealey's (June 18, 2018, 1:25 PM EDT) -- WASHINGTON, D.C. — The U.S. Supreme Court on June 18 declined to review a ruling by Oklahoma’s top court finding an insured’s class action challenging a health care provider’s billing practices outside of the Employee Retirement Income Security Act’s preemptive powers (INTEGRIS Health Inc. v. Elizabeth Cates, et al., No. 17-1501, U.S. Sup.)....