No natural person examined, as provided in G.S. 75-10, shall be subject to indictment, criminal prosecution, criminal punishment or criminal penalty by reason of or on account of anything disclosed by him upon examination, and full immunity from criminal prosecution and criminal punishment by reason of or on account of anything so disclosed is hereby extended to all natural persons so examined. The immunity herein granted shall not apply to civil actions instituted pursuant to this Chapter.
N.C. Gen. Stat. § 75-11