A15.4

What This Code Means

This is a type of tuberculosis infection that affects the lymph nodes located in the chest cavity, typically near the lungs and airways. These infected lymph nodes can become enlarged and cause breathing difficulties or chest discomfort.

Coding Tips

• •Verify documentation specifies intrathoracic lymph nodes (hilar, mediastinal, or tracheobronchial) rather than other lymph node locations to ensure correct code selection
• •Confirm this is pulmonary tuberculosis of lymph nodes only; if there is concurrent tuberculosis of the lung parenchyma, use A15.0 instead