Tennessee Code Title 52. Department of Disability and Aging § 52-3-104

(1) A person supported who is an emancipated minor as described in § 52-7-104;

(2) A conservator whom the court has granted the authority to make such disclosures for the person supported or granted the authority to make healthcare decisions for the person supported;  provided, however, that a conservatorship over the estate or property alone does not have authority to disclose confidential information under this title;

(3) The attorney in fact under a power of attorney who has the right to make disclosures under the power;

(4) The parent, legal guardian, or legal custodian of a person supported who is a child;

(5) The person supported's guardian ad litem for the purposes of the litigation in which the guardian ad litem serves;

(6) The executor or administrator of the estate of a deceased adult person supported, or the parent or legal guardian of a deceased person supported who was a minor at the time of death;

(7) The caregiver under title 34, chapter 6, part 3;  or

(8) An individual acting as an agent, or a person's surrogate as designated, under the Tennessee Health Care Decisions Act, compiled in title 68, chapter 11, part 18.