Appendix E Institutions for Mental Diseases

An Institution for Mental Diseases (IMD) is a hospital, nursing facility, or other institution or residential program that has 17 or more beds and provides diagnosis, treatment, or care of people with mental diseases.

Types of IMD facilities include:

• In-state children's mental health residential facilities
• Some In-State and Out-of-State severe emotional disturbance (SED) residential treatment facilities for children Psychiatric Residential Treatment Facilities (PRTF) are excluded from IMD status.
• Regional Treatment Center (RTC) - mental illness (MI) psychiatric inpatient hospital
• Residential substance use disorder treatment programs
• Rule 36 MI treatment program
• Privately owned psychiatric inpatient hospital
• State sex offender program
• State forensic program
• Nursing homes – when 50% or more of beds are for treatment of mental illness