Sec. 136. "Patient" means the following:
(1) For purposes of IC 12-24-1-4, an individual who is admitted to a state institution for observation, diagnosis, or treatment.
(2) For purposes of IC 12-24-7, the meaning set forth in IC 12-24-7-1.
(3) For purposes of IC 12-24-6, IC 12-24-13, IC 12-24-14, and IC 12-24-15, an individual with a mental illness, an individual who appears to have a mental illness, or an individual with an intellectual disability who is:
(A) in or under the supervision and control of a state institution; or
(B) because of mental illness, under the supervision and control of a circuit, superior, or juvenile court.
(4) For purposes of IC 12-24-17, the meaning set forth in IC 12-24-17-2.
(5) For purposes of IC 12-27, an individual receiving mental health services or developmental training. The term includes a client of a service provider.