| C00 |
| Malignant neoplasm of lip |
| C01 |
| Malignant neoplasm of base of tongue |
| C02 |
| Malignant neoplasm of other and unspecified parts of tongue |
| C03 |
| Malignant neoplasm of gum |
| C04 |
| Malignant neoplasm of floor of mouth |
| C05 |
| Malignant neoplasm of palate |
| C06 |
| Malignant neoplasm of other and unspecified parts of mouth |
| C07 |
| Malignant neoplasm of parotid gland |
| C08 |
| Malignant neoplasm of other and unspecified major salivary glands |
| C09 |
| Malignant neoplasm of tonsil |
| C10 |
| Malignant neoplasm of oropharynx |
| C11 |
| Malignant neoplasm of nasopharynx |
| C12 |
| Malignant neoplasm of pyriform sinus |
| C13 |
| Malignant neoplasm of hypopharynx |
| C14 |
| Malignant neoplasm of other and ill-defined sites in the lip, oral cavity and pharynx |