MD SB393

Health insurance carriers must post updated, complete prescription drug formularies on their websites with clear links, tiering structures, and drug access restrictions, without requiring users to create accounts or enter policy numbers to view them

Formulary changes made during a plan year must be posted within 30 days, with the date and description of changes displayed in bold type

Insurers must immediately add FDA-approved generic drugs to formularies with lower cost-sharing than the brand-name reference drug when the generic has a lower wholesale acquisition cost

Insurers must immediately add at least one FDA-licensed biosimilar to formularies with lower cost-sharing than the reference biological product when the biosimilar has a lower wholesale acquisition cost

Prior authorization, step therapy, and pharmacy restrictions that create barriers to accessing the newly-added generic drugs or biosimilars are prohibited; the law takes effect January 1, 2026