Tenn. Code Ann. § 71-5-2502

There is created a division of state government which shall be known and designated as the office of inspector general. This division shall be located within the department of finance and administration and shall report directly to the commissioner of finance and administration. The office of inspector general shall be headed by an inspector general. The office of inspector general shall be separate and distinct from the TennCare bureau and the medicaid fraud control unit (MFCU).