Tennessee Code Title 56. Insurance § 56-32-121

(a) Except as otherwise provided in this chapter, the insurance laws and the hospital or medical service corporation laws are not applicable to any HMO granted a certificate of authority under this chapter. This subsection (a) does not apply to an insurer or hospital or medical service corporation licensed and regulated pursuant to the insurance law or the hospital or medical service corporation laws of this state, except with respect to its HMO activities authorized and regulated pursuant to this chapter.

(b) Solicitation of enrollees by an HMO granted a certificate of authority, or its representatives, shall not be construed to violate any law relating to solicitation or advertising by health professions.

(c) Any HMO authorized under this chapter shall not be deemed to be practicing medicine and shall be exempt from title 63, chapter 6, relating to the practice of medicine.

(d) The Insurance Holding Company System Act of 1986, compiled in chapter 11 of this title, shall be applicable to HMOs to the extent provided in that act, and to the extent provided in § 56-32-122.

(e) HMOs providing utilization review services for mental health and chemical dependency care for their own enrollees shall be subject to chapter 6, part 7 of this title, regarding the provision of utilization review services for mental health or chemical dependency care. This subsection (e) shall not apply to utilization review services provided to TennCare enrollees.