In this subchapter:
(1) "Public hospital" means a general or special hospital licensed under Chapter 241, Health and Safety Code, that is owned or operated by a municipality, county, municipality and county, hospital district, or hospital authority and that performs inpatient or outpatient services.
(2) "Rural county" means:
(A) a county that has a population of 150,000 or less; or
(B) with respect to a county that has a population of more than 150,000 and that contains a geographic area that is not delineated as urbanized by the federal census bureau, that part of the county that is not delineated as urbanized.