( April 8, 2026, 11:00 AM EDT) -- KNOXVILLE, Tenn. — A Tennessee federal judge affirmed a magistrate judge’s ruling denying a motion for protective order by medical staffing companies in a suit filed by UnitedHealthcare Insurance Co. and related entities alleging that the staffing companies were “upcoding” claims, resulting in millions of dollars in overpayment, finding that the magistrate judge did not err in determining that the companies failed to show that the audit documents at issue should be protected under attorney-client privilege....