4.__Dependent. "Dependent" means a resident spouse or resident unmarried child under 19 years of age or a child who is a student under 23 years of age and who is financially dependent upon the parent or a child of any age who is disabled and dependent upon the parent.

5.__Health maintenance organization.__"Health maintenance organization" means any organization authorized under chapter 56 to operate a health maintenance organization in this State.

6.__Insurer.__"Insurer" means any entity that is authorized to write medical insurance or that provides medical insurance in this State. For the purposes of this chapter, "insurer" includes an insurance company, nonprofit hospital and medical service organization, fraternal benefit society, health maintenance organization, self-insurance arrangement that provides health care benefits in this State to the extent allowed under the federal Employee Retirement Income Security Act of 1974, 3rd-party administrator, multiple-employer welfare arrangement, any other entity providing medical insurance or health benefits subject to state insurance regulation and any reinsurer reinsuring health insurance in this State.

7.__Medical insurance.__"Medical insurance" means any hospital and medical expense-incurred policy, nonprofit hospital and medical service plan, health maintenance organization subscriber contract or other health care plan or arrangement that pays for or furnishes medical or health care services whether by insurance or otherwise, whether sold as an individual or group policy. "Medical insurance" does not include accidental injury, specified disease, hospital indemnity, dental, vision, disability income, long term care or other limited benefit health insurance or credit insurance; coverage issued as a supplement to liability insurance; insurance arising out of__workers' compensation or similar law; automobile medical payment insurance or insurance under which benefits are payable with or without regard to fault and that is statutorily required to be contained in any liability insurance policy or equivalent self-insurance.

8.__Medicare.__"Medicare" means coverage under both Parts A and B of Title XVIII of the Social Security Act, 42 United States Code, Section 1395 et seq., as amended.

9.__Plan. "Plan" means the health insurance plan adopted by the board pursuant to this chapter.