Code first underlying condition, such as: catamenial pneumothorax due to endometriosis (N80.B-) cystic fibrosis (E84.-) eosinophilic pneumonia (J82.81-J82.82) lymphangioleiomyomatosis (J84.81) malignant neoplasm of bronchus and lung (C34.-) Marfan syndrome (Q87.4-) pneumonia due to Pneumocystis carinii (B59) secondary malignant neoplasm of lung (C78.0-) spontaneous rupture of the esophagus (K22.3) |