What precaution for tuberculous lymphadenitis patient?

TB lymphadenitis : Patient with diagnosis of TB must be placed in airborne isolation until pulmonary TB is ruled out. If the patient doesn't have pulmonary TB then infected lymph node has to be tested for presence of TB bacilli by doing culture. If the node is open and draining pus, the patient should stay in isolation until pus stops to drain and shows no more TB bacilli and patient is on appropriate antibiotics