Tennessee Code Title 24. Evidence and Witnesses § 24-9-102

(a) Discovery pursuant to Rules 26-37 of the Tennessee Rules of Civil Procedure, excluding physical and mental examinations under Rule 35 of such rules, may be taken in all civil cases pending in the courts of general sessions in the discretion of the court after motion showing both good cause and exceptional circumstances and pursuant to an order describing the extent and conditions of such discovery.

(b) Depositions of custodians of hospital and medical records may be taken in all cases pending before the judges of the courts of general sessions, under the same rules, regulations, and restrictions as in cases pending in the courts of record.