20 ILCS 2407/10
"Disability" means a disability as defined by the Americans with Disabilities Act of 1990 that is attributable to a developmental disability, a mental illness, or a physical disability, or combination of those.
"Developmental disability" means "developmental disability" as defined in Section 1-106 of the Mental Health and Developmental Disabilities Code.
"Mental Illness" means a mental or emotional disorder verified by a diagnosis contained in the Diagnostic and Statistical Manual of Mental Disorders-Fourth Edition, published by the American Psychiatric Association (DSM-IV), or its successor, or International Classification of Diseases, 9th Revision, Clinical Modification (ICD-9-CM), or its successor, that substantially impairs a person's cognitive, emotional, or behavioral functioning, or any combination of those, excluding (i) conditions that may be the focus of clinical attention but are not of sufficient duration or severity to be categorized as a mental illness, such as parent-child relational problems, partner-relational problems, sexual abuse of a child, bereavement, academic problems, phase-of-life problems, and occupational problems (collectively, "V codes"), (ii) organic disorders such as substance intoxication dementia, substance withdrawal dementia, Alzheimer's disease, vascular dementia, dementia due to HIV infection, and dementia due to Creutzfeldt-Jakob disease and disorders associated with known or unknown physical conditions such as hallucinosis, amnestic disorders and delirium, and psychoactive substance-induced organic disorders, and (iii) an intellectual disability or psychoactive substance use disorders.
"Intellectual disability" means "intellectual disability" as defined in Section 1-116 of the Mental Health and Developmental Disabilities Code .
"Physical disability" means a disability as defined by the Americans with Disabilities Act of 1990 that meets the following criteria:
"Chronological age-appropriate services" means services, activities, and strategies for persons with disabilities that are representative of the lifestyle activities of nondisabled peers of similar age in the community.
"Comprehensive evaluation" means procedures used by qualified professionals selectively with an individual to determine whether a person has a disability and the nature and extent of the services that the person with a disability needs.
"Department" means the Department on Aging, the Department of Human Services, the Department of Public Health, the Department of Public Aid (now Department Healthcare and Family Services), the University of Illinois Division of Specialized Care for Children, the Department of Children and Family Services, and the Illinois State Board of Education, where appropriate, as designated in the implementation plan developed under Section 20.
"Family" means a natural, adoptive, or foster parent or parents or other person or persons responsible for the care of an individual with a disability in a family setting.
"Family or individual support" means those resources and services that are necessary to maintain an individual with a disability within the family home or his or her own home. These services may include, but are not limited to, cash subsidy, respite care, and counseling services.
"Independent service coordination" means a social service that enables persons with developmental disabilities and their families to locate, use, and coordinate resources and opportunities in their communities on the basis of individual need. Independent service coordination is independent of providers of services and funding sources and is designed to ensure accessibility, continuity of care, and accountability and to maximize the potential of persons with developmental disabilities for independence, productivity, and integration into the community. Independent service coordination includes, at a minimum: (i) outreach to identify eligible individuals; (ii) assessment and periodic reassessment to determine each individual's strengths, functional limitations, and need for specific services; (iii) participation in the development of a comprehensive individual service or treatment plan; (iv) referral to and linkage with needed services and supports; (v) monitoring to ensure the delivery of appropriate services and to determine individual progress in meeting goals and objectives; and (vi) advocacy to assist the person in obtaining all services for which he or she is eligible or entitled.
"Individual service or treatment plan" means a recorded assessment of the needs of a person with a disability, a description of the services recommended, the goals of each type of element of service, an anticipated timetable for the accomplishment of the goals, and a designation of the qualified professionals responsible for the implementation of the plan.
"Least restrictive environment" means an environment that represents the least departure from the normal patterns of living and that effectively meets the needs of the person receiving the service.
20 ILCS 2407/10