Tex. Occupations Code § 258.103: HOLDER OF PRIVILEGE.

(a) The patient is the holder of the privilege.

(b) The following persons may claim the privilege on the patient's behalf:

(1) a person authorized to act on the patient's behalf;

(2) a dentist acting on the patient's behalf; and

(3) an agent or employee of a person listed in Subdivision (1) or (2).

(c) A person's authority to claim the privilege is presumed in the absence of evidence to the contrary.

Added by Acts 2001, 77th Leg., ch. 1420, Sec. 14.086(b), eff. Sept. 1, 2001.