(a) This subchapter applies only to a health benefit plan that provides benefits for medical or surgical expenses incurred as a result of a health condition, accident, or sickness, including an individual, group, blanket, or franchise insurance policy or insurance agreement, a group hospital service contract, or a small or large employer group contract or similar coverage document that is offered by:
(1) an insurance company;
(2) a group hospital service corporation operating under Chapter 842;
(3) a fraternal benefit society operating under Chapter 885;
(4) a stipulated premium company operating under Chapter 884;
(5) a reciprocal exchange operating under Chapter 942;
(6) a health maintenance organization operating under Chapter 843;
(7) a multiple employer welfare arrangement that holds a certificate of authority under Chapter 846; or
(8) an approved nonprofit health corporation that holds a certificate of authority under Chapter 844.
(b) This subchapter applies to group health coverage made available by a school district in accordance with § 22.004, Education Code.

(c) Notwithstanding any provision in Chapter 1551, 1575, 1579, or 1601 or any other law, this subchapter applies to:
(1) a basic coverage plan under Chapter 1551;
(2) a basic plan under Chapter 1575;
(3) a primary care coverage plan under Chapter 1579; and
(4) basic coverage under Chapter 1601.
(d) Notwithstanding any other law, this subchapter applies to coverage under:
(1) 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; and
(2) the medical assistance program under Chapter 32, Human Resources Code.