ICD-10-CM > C00-D49 > D00-D09 > D04 > D04.5 D04.5 Carcinoma in situ of skin of trunk Billable/Specific Copy Code Copy Description Applicable To Carcinoma in situ of anal marginCarcinoma in situ of anal skinCarcinoma in situ of perianal skinCarcinoma in situ of skin of breast Type 1 Excludes carcinoma in situ of anus NOS (D01.3)carcinoma in situ of scrotum (D07.61)carcinoma in situ of skin of genital organs (D07.-)