California Code, Civil Code - CIV § 43.97

There shall be no monetary liability on the part of, and no cause of action for damages, other than economic or pecuniary damages, shall arise against, a hospital for any action taken upon the recommendation of its medical staff, or against any other person or organization for any action taken, or restriction imposed, which is required to be reported pursuant to Section 805 of the Business and Professions Code, if that action or restriction is reported in accordance with Section 805 of the Business and Professions Code.  This section shall not apply to an action knowingly and intentionally taken for the purpose of injuring a person affected by the action or infringing upon a person's rights.