Mealey's (September 23, 2020, 9:11 AM EDT) -- SAN FRANCISCO — A health insurer did not abuse its discretion in denying preauthorization treatment requests and a claim for reimbursement of the costs associated with the alternative treatment because the health insurer supported its finding that the requested treatment was not medically necessary, the Ninth Circuit U.S. Court of Appeals said Sept. 21 (Russell Keith Howard v. Blue Cross Blue Shield of Arizona, et al., No. 19-16554, 9th Cir., 2020 U.S. App. LEXIS 30035)....