C44.21: Basal cell carcinoma of skin of 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 |