TN Code § 35-15-505 (2014)
(a) Whether or not the terms of a trust contain a spendthrift provision, the following rules apply:
(3) For the purposes of this section, “irrevocable special needs trust” means an irrevocable trust established for the benefit of one or more disabled persons, which includes, but is not limited to, any individual who is disabled pursuant to 42 U.S.C. § 1382c(a), as well as any individual who is disabled pursuant to any similar federal, state or other jurisdictional law or regulation, or has a condition that is substantially equivalent to one that qualifies them to be so disabled in accordance with any of the above even if not officially found to be so disabled by a governmental body if one of the purposes of the trust, expressed in the trust instrument or implied from the trust instrument, is to allow the disabled person to qualify or continue to qualify for public, charitable or private benefits that might otherwise be available to the disabled person. The existence of one or more nondisabled remainder beneficiaries of the trust shall not disqualify it as an irrevocable special needs trust for the purposes of this section;
(4) No creditor or assignee of the settlor of an irrevocable special needs trust, as defined in subdivision (a)(3), may reach or compel distributions from such special needs trust, to or for the benefit of the settlor of such special needs trust, or otherwise, regardless of whether or not such irrevocable special needs trust complies with the provisions of, and irrespective of the requirements of, chapter 16 of this title; and
(5) Notwithstanding any law to the contrary, neither a creditor nor any other person shall have any claim or cause of action against the trustee or other fiduciary, or an advisor of an irrevocable special needs trust . . . TN Code § 35-15-505 (2016).