Texas Health and Safety Code - HEALTH & SAFETY § 166.209. Enforcement

(a) Subject to Sections 166.205(d), 166.207, and 166.208 and Subsection (c), a physician, physician assistant, nurse, or other person commits an offense if, with the specific intent to violate this subchapter, the person intentionally:

(a-1) An offense under Subsection (a) is a Class A misdemeanor. This section does not preclude prosecution for any other applicable offense.

(b) Subject to Sections 166.205(d), 166.207, and 166.208, a physician, health care professional, health care facility, hospital, or entity is subject to review and disciplinary action by the appropriate licensing authority for intentionally:

(c) Subsection (a) does not apply to a person whose act or omission was based on a reasonable belief that the act or omission was in compliance with the wishes of the patient or the person responsible for the patient's health care decisions.