Tennessee Code Title 63. Professions of the Healing Arts § 63-10-225

(a) Notwithstanding another law to the contrary, a pharmacy or other authorized dispensing person or entity of prescription drugs is encouraged, after a request to fill or renew a prescription drug and prior to the point of sale for such prescription drug, to make reasonable efforts to contact and notify the human patient representative or the person for whom the prescription drug is being filled of the lowest available cost of the prescription drug, including a generic alternative, under a prescription discount or rebate plan, program, or card, or through a different manufacturer, compounder, or supplier, that is available to the person for whom the prescription is being filled through the pharmacy or dispensing person or entity.

(b) If the human patient representative or the person for whom the prescription drug is being filled changes the prescription drug purchase as a result of the notification provided pursuant to subsection (a), then such representative or person must be advised of the effects of purchases made outside of an insurance plan on the deductible status of such plan.

(c) Notwithstanding a law to the contrary, a pharmacy or other authorized dispensing person or entity of prescription drugs is immune from civil liability for damages as a result of any act or omission made pursuant to this section.