MA S772

Expands mandatory insurance coverage for substance use disorder treatment from 14 days to 30 days for acute treatment services, clinical stabilization services, and adds new coverage for "transitional support services" (short-term residential support following clinical stabilization)

Eliminates preauthorization requirements for all three categories of addiction treatment services; carriers may begin utilization review on day 14 but cannot restrict or deny services until patient has received at least 30 consecutive days

Applies to all major insurance types: Group Insurance Commission plans for state employees, MassHealth/Medicaid, commercial insurers under chapters 175, 176A, 176B, and health maintenance organizations under chapter 176G

Requires facilities to notify carriers of admission and initial treatment plan within 48 hours; medical necessity determined by treating clinician in consultation with patient

Center for Health Information and Analysis must report on effects of the coverage expansion by October 1, 2026 (initial report on 14-day mandate) and October 1, 2028 (final report on 30-day mandate); provisions take effect October 1, 2026