(a) In this section, "diagnosis" means the identification of a disease from its symptoms.
(b) A person practices occupational therapy if the person:
(1) evaluates or treats a person whose ability to perform the tasks of living is threatened or impaired by developmental deficits, the aging process, environmental deprivation, sensory impairment, physical injury or illness, or psychological or social dysfunction;
(2) uses therapeutic goal-directed activities to:
(A) evaluate, prevent, or correct physical or emotional dysfunction; or
(B) maximize function in a person's life; or
(3) applies therapeutic goal-directed activities in treating patients on an individual basis, in groups, or through social systems, by means of direct or monitored treatment or consultation.
(c) The practice of occupational therapy does not include diagnosis or psychological services of the type typically performed by a licensed psychologist.