Texas Health and Safety Code - HEALTH & SAFETY § 674.008. Immunity from Subpoena and Discovery

(a) Review team work product and information obtained by a review team, including files, records, reports, records of proceedings, recommendations, meeting notes, records of interviews, statements, and memoranda, are privileged, are not subject to subpoena or discovery, and may not be introduced into evidence in any civil or criminal proceeding against a member of the family of a decedent or a health care provider.

(b) A document or other information that is otherwise available from another source is not protected from subpoena, discovery, or introduction into evidence under Subsection (a) solely because the document or other information was presented during a meeting of a review team or because a record of the document or other information is maintained by the review team.