| ICD-10 Code | Description |
| D38.0 | Neoplasm of uncertain behavior of larynx |
| D38.1 | Neoplasm of uncertain behavior of trachea, bronchus and lung |
| D38.2 | Neoplasm of uncertain behavior of pleura |
| D38.3 | Neoplasm of uncertain behavior of mediastinum |
| D38.4 | Neoplasm of uncertain behavior of thymus |
| D38.5 | Neoplasm of uncertain behavior of other respiratory organs |
| D38.6 | Neoplasm of uncertain behavior of respiratory organ, unspecified |
