(6) “person with a developmental disability” means a person who is experiencing a severe, chronic disability that
- (A) is attributable to a mental or physical impairment or combination of mental and physical impairments;
- (B) is manifested before the person attains age 22;
- (C) is likely to continue indefinitely;
- (D) results in substantial functional limitations in three or more of the following areas of major life activity: self-care, receptive and expressive language, learning, mobility, self-direction, capacity for independent living, and economic self-sufficiency; and
- (E) reflects the person's need for a combination and sequence of special, interdisciplinary, or generic care, treatment, or other services that are of lifelong or extended duration and are individually planned and coordinated;