The N‑SUMHSS is a voluntary annual survey of all active substance use and mental health facilities in the United States, its territories, and D.C. The annual report presents findings on the general profile of substance use and mental health facilities, use of pharmacotherapies/medications, language assistance provided, and suicide prevention services.

This handbook reviews Medicaid and its role in financing services and treatment for mental illness and substance use disorders. It discusses services included in state Medicaid plans and other factors related to Medicaid, such as reimbursement.