IL SB2639

Amends the Counties Code, Illinois Municipal Code, and School Code to require self-insured health plans for county, municipal, and school employees to include coverage for infertility diagnosis and treatment, including in vitro fertilization and related procedures.

Expands infertility coverage requirements in Section 356m of the Illinois Insurance Code to include a new pathway effective January 1, 2026: coverage for advanced fertility procedures can be approved without restrictions if a physician recommends them based on the individual's medical history, age, physical findings, or diagnostic testing.

Maintains existing limitations on coverage of in vitro fertilization and related procedures, including the requirement that individuals complete less costly alternative treatments first and restrictions on the number of covered oocyte retrievals (4 completed retrievals, or 6 if a live birth results from an earlier retrieval).

Adds infertility coverage requirements (Section 356m) to the list of mandatory Illinois Insurance Code provisions for limited health service organizations and voluntary health services plans.

Updates the Illinois Public Aid Code to include infertility coverage requirements in the medical assistance program and adds references to new insurance code sections (356z.64, 356z.67, 356z.68, and 356z.70).