Cal. CIV § 43.8

(a) In addition to the privilege afforded by Section 47, there shall be no monetary liability on the part of, and no cause of action for damages shall arise against, any person on account of the communication of information in the possession of that person to any hospital, hospital medical staff, veterinary hospital staff, professional society, medical, dental, podiatric, psychology, marriage and family therapy, professional clinical counselor, midwifery, or veterinary school, professional licensing board or division, committee or panel of a licensing board, the Senior Assistant Attorney General of the Health Quality Enforcement Section appointed under Section 12529 of the Government Code, peer review committee, quality assurance committees established in compliance with Sections 4070 and 5624 of the Welfare and Institutions Code, or underwriting committee described in Section 43.7 when the communication is intended to aid in the evaluation of the qualifications, fitness, character, or insurability of a practitioner of the healing or veterinary arts.

(b) The immunities afforded by this section and by Section 43.7 shall not affect the availability of any absolute privilege that may be afforded by Section 47.

(c) Nothing in this section is intended in any way to affect the California Supreme Court’s decision in Hassan v. Mercy American River Hospital (2003) 31 Cal.4th 709, holding that subdivision (a) provides a qualified privilege.