| J90 | Pleural effusion, not elsewhere classified |
| J91 | Pleural effusion in conditions classified elsewhere |
| J91.0 | Malignant pleural effusion |
| J91.8 | Pleural effusion in other conditions classified elsewhere |
| J92 | Pleural plaque |
| J92.0 | Pleural plaque with presence of asbestos |
| J92.9 | Pleural plaque without asbestos |
| J93 | Pneumothorax and air leak |
| J93.0 | Spontaneous tension pneumothorax |
| J93.1 | Other spontaneous pneumothorax |
| J93.11 | Primary spontaneous pneumothorax |
| J93.12 | Secondary spontaneous pneumothorax |
| J93.8 | Other pneumothorax and air leak |
| J93.81 | Chronic pneumothorax |
| J93.82 | Other air leak |
| J93.83 | Other pneumothorax |
| J93.9 | Pneumothorax, unspecified |
| J94 | Other pleural conditions |
| J94.0 | Chylous effusion |
| J94.1 | Fibrothorax |
| J94.2 | Hemothorax |
| J94.8 | Other specified pleural conditions |
| J94.9 | Pleural condition, unspecified |