Tenn. Code Ann. § 56-7-2323

No group policy of accident and sickness insurance offered for sale in this state shall be issued or renewed by any insurer or hospital service corporation or medical service corporation transacting business in this state that, by the terms of the policy, excludes or reduces the benefits payable or services to be rendered to or on behalf of any insured because benefits have been paid or are also payable under any blanket group or franchise school accident policy regardless of who makes the premium contribution, or under any individually underwritten and individually issued contract or plan of insurance that provides exclusively for accident and sickness benefits and for which one hundred percent (100%) of the premiums have been paid by the insured or a member of the insured's family or the insured's guardian, regardless of the mode or channel of premium payment to the insurer or of any discount received on the premium by virtue of the insured's membership in any organization or of the insured's status as an employee.