S.D. Codified Laws § 36-4-26.1
The proceedings, records, reports, statements, minutes, or any other data whatsoever, of any committee described in § 36-4-42, relating to peer review activities defined in § 36-4-43, are not subject to discovery or disclosure under chapter 15-6 or any other provision of law, and are not admissible as evidence in any action of any kind in any court or arbitration forum, except as hereinafter provided. No person in attendance at any meeting of any committee described in § 36-4-42 is required to testify as to what transpired at such meeting. The prohibition relating to discovery of evidence does not apply to deny a physician access to or use of information upon which a decision regarding the person's staff privileges or employment was based. The prohibition relating to discovery of evidence does not apply to deny any person or the person's counsel in the defense of an action against that person access to the materials covered under this section.
SDCL 36-4-26.1