| ICD-9 codes | Definition |
|---|---|
| 140 | Malignant neoplasm of lip |
| 141 | Malignant neoplasm of tongue |
| 142 | Malignant neoplasm of major salivary glands |
| 143 | Malignant neoplasm of gum |
| 144 | Malignant neoplasm of floor of mouth |
| 145 | Malignant neoplasm of other and unspecified parts of mouth |
| 146 | Malignant neoplasm of oropharynx |
| 147 | Malignant neoplasm of nasopharynx |
| 148 | Malignant neoplasm of hypopharynx |
| 149 | Malignant neoplasm of other and ill-defined sites within the lip |
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