Tenn. Code Ann. § 68-140-312: Liability.

(a) Neither a physician nor a nurse who, in good faith, gives orders or instructions to emergency medical services personnel, operating within their technical abilities for emergency care authorized by this part, nor any personnel following such orders, shall be liable civilly or criminally by reason of having issued or followed the orders except insofar as the rules of law of negligence are applicable.

(b) Emergency medical services personnel shall not be liable for trespass when rendering services in good faith in compliance with this part. Any person who in good faith reports any alleged violations of this part shall not be civilly liable for damages.