Cal. Health & Saf. Code § 101848.9
Provisions of the Evidence Code, the Government Code, including the Public Records Act (Division 10 (commencing with Section 7920.000) of Title 1 of the Government Code), the Civil Code, the Business and Professions Code, and other applicable law pertaining to the confidentiality of peer review activities of peer review bodies shall apply to the peer review activities of the hospital authority. Peer review proceedings shall constitute an official proceeding authorized by law within the meaning of Section 47 of the Civil Code and those privileges set forth in that section with respect to official proceedings shall apply to peer review proceedings of the hospital authority. If the hospital authority is required by law or contractual obligation to submit to the state or federal government peer review information or information relevant to the credentialing of a participating provider, that submission shall not constitute a waiver of confidentiality. The laws pertaining to the confidentiality of peer review activities shall be together construed as extending, to the extent permitted by law, the maximum degree of protection of confidentiality.
Ca. Health and Saf. Code § 101848.9