N.J. Stat. § 59:6-1
As used in this chapter:
"Medical facility" means a hospital, infirmary, clinic, dispensary, mental institution, or similar facility.
"Mental institution" means any facility for the care or treatment of persons committed for mental illness.
"Mental illness" means mental illness, mental disorder bordering on mental illness, mental deficiency, epilepsy, dipsomania or inebriety, sexual psychopathy, or such mental abnormality as to evidence utter lack of power to control sexual impulses.
"Drug dependent persons" means a person who is using a controlled dangerous substance and who is in a state of psychic or physical dependence, or both, arising from the use of that controlled dangerous substance on a continuous basis. Drug dependence is characterized by behavior or other responses, including but not limited to, a strong compulsion to take the substance on a recurring basis in order to experience its psychic effects or to avoid the discomfort of its absence.
N.J.S. § 59:6-1