S.C. Code Ann. § 38-33-300
There may be no monetary liability on the part of, and no cause of action may arise against, any person who participates in quality of care or utilization reviews by a peer review committee established in accordance with regulations of the department under Section 38-33-40(A)(2) for any act performed during such reviews, provided such person acts in good faith and without malice, has made a reasonable effort to obtain the facts of the matter, and reasonably believes that the action taken is warranted by the facts.