Tennessee Code Title 68. Health, Safety and Environmental Protection § 68-11-313

(a)(1) A hospital licensed pursuant to this chapter shall require that all verbal orders be authenticated by a physician or authorized individual who has the authority to issue verbal orders in accordance with hospital policies or medical staff bylaws.

(2) The policies or bylaws shall require that: authentication of a verbal order occurs within forty-eight (48) hours after the time the order is made unless a read-back and verify process pursuant to subdivision (a)(3) is used. The individual receiving a verbal order shall record the date and time of the verbal order, and sign the verbal order in accordance with hospital policies or medical staff bylaws.

(3) A hospital policy may provide for a read-back and verify process for verbal orders. A read-back and verify process shall require that the individual receiving the order immediately read back the order to the physician or authorized individual, who shall immediately verify that the read-back order is correct. The individual receiving the verbal order shall record that the order was read back and verified. If the read-back and verify process is followed, the verbal order shall be authenticated no later than fourteen (14) days after the date of the verbal order.