Tenn. Code Ann. § 71-5-145: Cost effectiveness of providers

(a) Notwithstanding any law to the contrary, any initiative, program or measure operated by the bureau of TennCare, including, but not limited to, disease management programs, may require enrollees to obtain prescription drugs, durable medical equipment, or medical supplies in such manner as the bureau of TennCare determines to be the most cost-effective.

(b) The bureau of TennCare shall consult with Tennessee pharmacists who are providers actively participating in the TennCare pharmacy program in making a determination of cost effectiveness of any proposed pharmacy program.