Tennessee Code Title 68. Health, Safety and Environmental Protection § 68-33-103

(a)(1) A healthcare provider shall not knowingly perform or offer to perform on a minor, or administer or offer to administer to a minor, a medical procedure if the performance or administration of the procedure is for the purpose of:

(2) Subdivision (a)(1) applies to medical procedures that are:

(b)(1) It is not a violation of subsection (a) if a healthcare provider knowingly performs, or offers to perform, a medical procedure on or administers, or offers to administer, a medical procedure to a minor if:

(2) For purposes of subdivision (b)(1)(A), “disease” does not include gender dysphoria, gender identity disorder, gender incongruence, or any mental condition, disorder, disability, or abnormality.

(3) For the exception in subdivision (b)(1)(B) to apply, the minor's treating physician must certify in writing that, in the physician's good-faith medical judgment, based upon the facts known to the physician at the time, ending the medical procedure would be harmful to the minor. The certification must include the findings supporting the certification and must be made a part of the minor's medical record.

(4) The exception in subdivision (b)(1)(B) does not allow a healthcare provider to perform or administer a medical procedure that is different from the medical procedure performed prior to the effective date of this act when the sole purpose of the subsequent medical procedure is to:

(c)(1) It is not a defense to any legal liability incurred as the result of a violation of this section that the minor, or a parent of the minor, consented to the conduct that constituted the violation.

(2) This section supersedes any common law rule regarding a minor's ability to consent to a medical procedure that is performed or administered for the purpose of: