ICD-10-CM > C00-D49 > D00-D09 > D04 > D04.7 D04.7 Carcinoma in situ of skin of lower limb, including hip Non-Billable/Non-Specific Codes D04.70Carcinoma in situ of skin of unspecified lower limb, including hipD04.71Carcinoma in situ of skin of right lower limb, including hipD04.72Carcinoma in situ of skin of left lower limb, including hip