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.