As used in this chapter, unless the context otherwise requires:
(1) “Approved hospitals” means hospitals approved by the commissioner as having adequate facilities and staff for the diagnosis and treatment of tuberculosis;
(2) “Chest disease hospitals” means state-owned hospitals established, operated and maintained by the department for the diagnosis, treatment, prevention and cure of tuberculosis;
(3) “Commissioner” means the commissioner of health or the commissioner's duly authorized representative;
(4) “Department” means the department of health;
(5) “Division” means the division of tuberculosis control;
(6) “Physician” means any doctor of medicine or doctor of osteopathy duly licensed to practice the doctor's profession in Tennessee or the state in which the doctor resides and lawfully practices the doctor's profession;
(7) “Tuberculosis” means a disease caused by the human tubercle bacillus, whether infectious or noninfectious; and
(8) “Tuberculosis suspect” means a person with clinical, epidemiologic, x-ray, or laboratory evidence suggestive of tuberculosis.