‘ 1. Reimbursement. By December 31, 2019, the department shall establish a rate under the MaineCare program that is sufficient to provide medically monitored crisis support and intervention to a person 18 years of age or older with mental health and co-occurring substance use disorders who seeks treatment voluntarily. Medically monitored crisis support and intervention includes, but is not limited to: psychiatric medical evaluation; psychiatric stabilization; substance detoxification; 24-hour nursing care; medication stabilization, monitoring, administration and education; and individual, group and family counseling.’