Indiana Code Title 27. Insurance § 27-1-4.5-2

(1) An insurer (as defined in IC 27-1-2-3(x)) that issues a policy of accident and sickness insurance (as defined in IC 27-8-5-1(a)).  However, the term does not include the coverages described in IC 27-8-5-2.5(a).

(2) A health maintenance organization (as defined in IC 27-13-1-19) that provides coverage for basic health care services (as defined in IC 27-13-1-4).

(3) A managed care organization (as defined in IC 12-7-2-126.9) that provides services to a Medicaid recipient.

(4) A prepaid health care delivery plan under IC 5-10-8-7(c) that provides group health coverage for state employees.