TX HB4422

Prohibits health benefit plan issuers, pharmacy benefit managers, and third-party payors from reimbursing 340B covered entities (federally qualified health centers, hospitals serving low-income patients, etc.) or their contract pharmacies at lower rates than non-340B entities for the same prescription drugs

Bars imposing discriminatory terms on 340B covered entities, including additional fees, chargebacks, or network participation restrictions that do not apply to non-covered entities

Prevents creating restrictions or additional charges on patients who choose to receive prescription drugs from a 340B covered entity

Applies broadly to most health benefit plans in Texas, including private insurance, HMOs, Medicaid managed care, CHIP, state employee plans, teacher retirement plans, and local government health programs

Takes effect September 1, 2025, and applies to health benefit plans delivered, issued, or renewed on or after January 1, 2026