Tex. Insurance Code § 1217.002

(a) This chapter 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 chapter applies to group health coverage made available by a school district in accordance with Section 22.004, Education Code.

(c) Notwithstanding any provision in Chapter 1551, 1575, 1579, or 1601 or any other law, this chapter 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 chapter 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) a Medicaid managed care program operated under Chapter 540 or 540A, Government Code, as applicable, or a Medicaid program operated under Chapter 32, Human Resources Code.