| ICD-10 Code | Description |
| D00.00 | Carcinoma in situ of oral cavity, unspecified site |
| D00.01 | Carcinoma in situ of labial mucosa and vermilion border |
| D00.02 | Carcinoma in situ of buccal mucosa |
| D00.03 | Carcinoma in situ of gingiva and edentulous alveolar ridge |
| D00.04 | Carcinoma in situ of soft palate |
| D00.05 | Carcinoma in situ of hard palate |
| D00.06 | Carcinoma in situ of floor of mouth |
| D00.07 | Carcinoma in situ of tongue |
| D00.08 | Carcinoma in situ of pharynx |
