(1) For purposes of IC 12-23-5, IC 12-24, and IC 12-26, a psychiatric disorder that:

(A) substantially disturbs an individual’s thinking, feeling, or behavior; and

(B) impairs the individual’s ability to function.

The term includes intellectual disability, alcoholism, and addiction to narcotics or dangerous drugs, and, for purposes of IC 12-26-5, the term includes temporary impairment as a result of alcohol or drug use.

(2) For purposes of IC 12-28-4 and IC 12-28-5, a psychiatric disorder that:

(A) substantially disturbs an individual’s thinking, feeling, or behavior; and

(B) impairs the individual’s ability to function.

The term does not include developmental disability.

[Pre-1992 Revision Citations: subdivision (1) formerly 16-14-9.1-1(a); subdivision (2) formerly 16-13-21-1.]

As added by P.L.2-1992, SEC.1. Amended by P.L.117-2015, SEC.11; P.L.205-2023, SEC.3.