D04.2: Carcinoma in situ of skin of ear and external auricular canal |
| D04.20: Carcinoma in situ of skin of unspecified ear and external auricular canal |
| D04.21: Carcinoma in situ of skin of right ear and external auricular canal |
| D04.22: Carcinoma in situ of skin of left ear and external auricular canal |