Tennessee Code Title 68. Health, Safety and Environmental Protection § 68-29-113

(a) An application for a medical laboratory license shall be made under oath, by the owner and director of the medical laboratory or public official responsible for the operation of a city or county medical laboratory or institution that contains a medical laboratory, upon forms provided by the board; provided, that the laboratory is in compliance with the regulations promulgated under the authority of this chapter. The board may issue a temporary license, at no charge to the applicant, which shall be valid for a period of not longer than three (3) months from the date the application is received by the board. After expiration of the three-month period, the applicant shall be issued a permanent license, but, if the laboratory is not in compliance, it shall not be granted a license to operate. A license shall be issued authorizing the performance of one (1) or more medical laboratory procedures or one (1) or more categories of such procedures.