(September 6, 2024, 12:01 PM EDT) -- SAN FRANCISCO — Saying in an unpublished memorandum disposition that it previously “reversed (without remand) both the district court’s class certification order and merits judgment on the denial of benefits claim,” a Ninth Circuit U.S. Court of Appeals panel granted a mandamus petition in an Employee Retirement Income Security Act case where health insurance plan participants sought reprocessing of nearly 67,000 mental health and substance use disorder treatmentclaims....