The following shall apply to consent for voluntary inpatient and outpatient mental health treatment:
"Facility" means any mental health establishment, hospital, clinic, institution, center, day-care center, base service unit, community mental health center, or part thereof, that provides for the diagnosis, treatment, care or rehabilitation of persons with mental illness.
"Inpatient treatment" means all mental health treatment that requires full-time or part-time residence in a facility that provides mental health treatment.
"Mental health treatment" means a course of treatment, including evaluation, diagnosis, therapy and rehabilitation, designed and administered to alleviate an individual's pain and distress and to maximize the probability of recovery from mental illness. The term also includes care and other services which supplement treatment and aid or promote recovery.
35 P.S. § 10101.1