| MDC 4 Diseases & Disorders of the Respiratory System |
| Pneumothorax |
| J930 | Spontaneous tension pneumothorax |
| J9311 | Primary spontaneous pneumothorax |
| J9312 | Secondary spontaneous pneumothorax |
| J9381 | Chronic pneumothorax |
| J9382 | Other air leak |
| J9383 | Other pneumothorax |
| J939 | Pneumothorax, unspecified |
| J95811 | Postprocedural pneumothorax |
| J95812 | Postprocedural air leak |
| J982 | Interstitial emphysema |
| S270XXA | Traumatic pneumothorax, initial encounter |
| S271XXA | Traumatic hemothorax, initial encounter |
| S272XXA | Traumatic hemopneumothorax, initial encounter |
| T797XXA | Traumatic subcutaneous emphysema, initial encounter |