Tex. Health & Safety Code § 161.021
(a) Unless prohibited by other law, a person, including a hospital, sanatorium, nursing facility, rest home, medical society, cancer registry, or other organization, may provide interviews, reports, statements, memoranda, or other information relating to the condition and treatment of any person, to be used in a study to reduce morbidity or mortality or to identify persons who may need immunization, to:
(b) A person is not liable for damages or other relief for:
Acts 1989, 71st Leg., ch. 678, Sec. 1, eff. Sept. 1, 1989.
Amended by Acts 1997, 75th Leg., ch. 343, Sec. 3, eff. May 27, 1997;
Acts 1999, 76th Leg., ch. 1411, Sec. 23.03, eff. Sept. 1, 1999.
Acts 2015, 84th Leg., R.S., Ch. 1 (S.B. 219), Sec. 3.0468, eff. April 2, 2015.