A person is eligible for case management services under this article when at the time of determining eligibility the person has a severe chronic limitation that:

(1) is attributed to a physical impairment, including head injury, spinal cord injury, or both, or a similar disability, regardless of the age of onset but not associated with the process of a progressive degenerative illness or disease, dementia, or a neurological disorder related to aging;

(2) is likely to continue indefinitely without intervention;

(3) results in substantial functional limitations in at least two of these life activities:

(a) self-care;

(b) receptive and expressive communication;

(c) learning;

(d) mobility;

(e) self-direction;

(f) capacity for independent living;

(g) economic self-sufficiency; and

(4) reflects the person’s need for a combination and sequence of special interdisciplinary or generic care or treatment or other services which are of lifelong or extended duration and are individually planned and coordinated.