Tenn. Code Ann. § 68-141-107

No act done or omitted in good faith while performing duties as a medical director, consultant, or specialist in poison information of a regional poison control center shall impose any liability on the poison control center, its officers, volunteers, medical directors, consultants, specialists in poison information, other employees or a person, organization or institution that advises a regional poison control center, unless the advice or assistance is given in a manner that constitutes willful or wanton misconduct.