HD 4178 Massachusetts House · 194th Legislature (2025-2026)

An Act creating parity for mental and behavioral health services

This bill requires all health insurance policies in Massachusetts - covering MassHealth, group plans, and individual policies - to provide equal coverage for mental health and behavioral health treatment as for physical health conditions. It mandates that insurers cover "medically necessary treatment for any mental disorder, including autism spectrum disorder," as defined by standard medical manuals (DSM/ICD), without discrimination. The law also prohibits disability insurance from excluding or limiting benefits for conditions related to mental health or substance use. These requirements apply to all policies delivered, issued, or renewed on or after July 1, 2026. The bill directly affects Massachusetts residents with health insurance, ensuring parity in access to mental health care.
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Photo of Marjorie Decker
Marjorie Decker
DDemocratic
MA
25th Middlesex