(a) In this subchapter, "medical committee" includes any committee, including a joint committee, of:
(1) a hospital;
(2) a medical organization;
(3) a university medical school or health science center;
(4) a health maintenance organization licensed under Chapter 843, Insurance Code, including an independent practice association or other physician association whose committee or joint committee is a condition of contract with the health maintenance organization;
(5) an extended care facility;
(6) a hospital district; or
(7) a hospital authority.
(b) The term includes a committee appointed ad hoc to conduct a specific investigation or established under state or federal law or rule or under the bylaws or rules of the organization or institution.
(c) The term includes a committee, including a joint committee, of one or more health care systems if each health care system includes one or more of the entities listed in Subsection (a).