Amends the State Employees Group Insurance Act of 1971. Requires the State Employees Group Insurance Program to provide coverage for all FDA-approved treatments or medications prescribed to slow the progression of Alzheimer's Disease or another related dementia, as determined by a physician licensed to practice medicine in all its branches. Provides that diagnostic testing necessary for a physician to determine the appropriate use of treatments or medications shall be covered by the State Employees Group Insurance Program. Senate Committee Amendment No. 1 Replaces everything after the enacting clause with the provisions of the introduced bill with the following changes. In a provision regarding coverage for Alzheimer's Disease or other related dementia, limits the provision to beginning on July 1, 2025 (rather than January 1, 2025). Requires FDA-approved treatments or medications prescribed to slow the progression of Alzheimer's Disease or another related dementia to be medically necessary in order to qualify for coverage under the State Employees Group Insurance Program. Adds a specific prohibition on step therapy for treatment of Alzheimer's Disease or another related dementia.