(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 an individual or group evidence of coverage or similar coverage document that is offered by:
(1) an insurance company;
(2) a group hospital service corporation operating under Chapter 842;
(3) a health maintenance organization operating under Chapter 843;
(4) an approved nonprofit health corporation that holds a certificate of authority under Chapter 844;
(5) a multiple employer welfare arrangement that holds a certificate of authority under Chapter 846;
(6) a stipulated premium company operating under Chapter 884;
(7) a fraternal benefit society operating under Chapter 885;
(8) a Lloyd's plan operating under Chapter 941; or
(9) an exchange operating under Chapter 942.
(b) Notwithstanding any other law, this subchapter applies to:
(1) a small employer health benefit plan subject to Chapter 1501, including coverage provided through a health group cooperative under Subchapter B of that chapter;
(2) a standard health benefit plan issued under Chapter 1507;
(3) health benefits provided by or through a church benefits board under Subchapter I, Chapter 22, Business Organizations Code;
(4) group health coverage made available by a school district in accordance with Section 22.004, Education Code;
(5) a regional or local health care program operated under Section 75.104, Health and Safety Code; and
(6) a self-funded health benefit plan sponsored by a professional employer organization under Chapter 91, Labor Code.
(c) This subchapter does not apply to an issuer or provider of health benefits under or a pharmacy benefit manager administering pharmacy benefits under a workers' compensation insurance policy or other form of providing medical benefits under Title 5, Labor Code.