This chapter does not apply to:
(1) a Medicaid managed care program operated under Chapter 540 or 540A, Government Code, as applicable;
(2) a Medicaid program operated under Chapter 32, Human Resources Code;
(3) the child health plan program under Chapter 62, Health and Safety Code, or the health benefits plan for children under Chapter 63, Health and Safety Code; or
(4) a Medicare supplement benefit plan, as defined by Chapter 1652.