Answer: A
A15.0 is the correct code for Tuberculosis of the lung (pulmonary tuberculosis). In this patient, all the symptoms are specific for this type of condition and the diagnosis is pulmonary tuberculosis.
Option B is not correct because A15.4 is used to code for Tuberculosis of intrathoracic lymph nodes.
Option C is not correct because A15.5 is used to code for Tuberculosis of the larynx, trachea, and bronchus.
Option D is not correct because A15.6 is used to code for Tuberculosis pleurisy.