Indiana Code Title 4. State Offices and Administration § 4-23-29-4

(1) is attributable to a mental or physical impairment or combination of mental and physical impairments;

(2) is manifested before the individual is twenty-two (22) years of age;

(3) is likely to continue indefinitely;

(4) results in substantial functional limitation in three (3) or more areas of major life activity; and

(5) reflects the individual's need for special, interdisciplinary services, supports, or assistance that is of lifelong or extended duration and is individually planned and coordinated.

(1) substantial developmental delay; or

(2) specific congenital or acquired conditions;