| ICD-10 Code | Description |
| C44.201 | Unspecified malignant neoplasm of skin of unspecified ear and external auricular canal |
| C44.202 | Unspecified malignant neoplasm of skin of right ear and external auricular canal |
| C44.209 | Unspecified malignant neoplasm of skin of left ear and external auricular canal |
| C44.211 | Basal cell carcinoma of skin of unspecified ear and external auricular canal |
| C44.212 | Basal cell carcinoma of skin of right ear and external auricular canal |
| C44.219 | Basal cell carcinoma of skin of left ear and external auricular canal |
| C44.221 | Squamous cell carcinoma of skin of unspecified ear and external auricular canal |
| C44.222 | Squamous cell carcinoma of skin of right ear and external auricular canal |
| C44.229 | Squamous cell carcinoma of skin of left ear and external auricular canal |
| C44.291 | Other specified malignant neoplasm of skin of unspecified ear and external auricular canal |
| C44.292 | Other specified malignant neoplasm of skin of right ear and external auricular canal |
| C44.299 | Other specified malignant neoplasm of skin of left ear and external auricular canal |
