IL SB3878

340B covered entities prohibited from billing Illinois Medicaid fee-for-service or managed care programs for 340B drugs beginning January 1, 2027

340B covered entities must use 80% of prior year 340B profits to reduce out-of-pocket costs for low-income patients (those with family income below 200% of federal poverty guidelines) at the point of sale, effective July 1, 2026

Annual reporting to the Department of Insurance required by September 1, 2026, and each year thereafter, including acquisition costs, payments received, prescription volumes, contract pharmacy payments, and charity care spending

Department of Central Management Services must report to the General Assembly by December 31, 2026, on 340B program impacts on state employee health plans, including foregone rebates and premium effects

Department of Healthcare and Family Services must report by December 31, 2026, on Medicaid drug utilization, including 340B drug units dispensed and estimated costs or savings to the state