ICD-10-CM > C00-D49 > D00-D09 > D04 > D04.3 D04.3 Carcinoma in situ of skin of other and unspecified parts of face Non-Billable/Non-Specific Codes D04.30Carcinoma in situ of skin of unspecified part of faceD04.39Carcinoma in situ of skin of other parts of face