Tennessee Code Title 53. Food, Drugs and Cosmetics § 53-10-111

(1) If the prescription is a new prescription that has not been previously dispensed, it may be dispensed within ninety (90) days of the date on which the practitioner has died;

(2) If the prescription has been previously dispensed and has valid authorization to be refilled, the refills may be dispensed but not for a period of more than ninety (90) days from the date on which the practitioner died for Schedule III, IV and V drugs and one hundred eighty (180) days from the date on which the practitioner died for non-scheduled drugs; and

(3) Nothing in this section shall authorize the dispensing of a prescription that was issued for a controlled substance unless permitted by the federal Controlled Substances Act and regulations of the federal drug enforcement administration.