No action may be commenced under this Article until the plaintiff has exhausted all administrative remedies and appeals, including those internal remedies and appeals established under G.S. 58-50-61 through G.S. 58-50-62, and G.S. 58-50-75 through G.S. 58-50-95, and including those established under any successor external review process.
N.C. Gen. Stat. § 90-21.54