This legislation, known as the "MORE Savings Act," seeks to significantly improve access to and affordability of opioid use disorder (OUD) treatments and recovery support services across various health programs. It mandates the implementation of a new model under Medicare to provide affordable access to evidence-based opioid treatments by eliminating coinsurance, copayments, and deductibles for specific services. This Medicare model will be conducted in 15 selected states that have a high proportion of Medicare beneficiaries, a high rate of opioid overdose deaths, and a significant percentage of rural areas. Covered services include drugs for OUD treatment or overdose reversal, behavioral health services for OUD (including non-hospital residential facilities), and recovery support services like peer counseling and transportation. Furthermore, the bill requires all group health plans and health insurance issuers to cover, without any cost-sharing requirements, prescription drugs for OUD treatment or overdose reversal, behavioral health services for OUD, and community recovery support services provided in conjunction with medication-assisted treatment. These requirements will apply to plan years beginning on or after January 1, 2027. Finally, the legislation enhances federal support for states by increasing the Federal medical assistance percentage (FMAP) to 90 percent for expenditures on medication-assisted treatment (MAT) under Medicaid. It also provides states with the option to include recovery support services, such as peer counseling and transportation, as part of MAT for the purpose of receiving this enhanced federal match.