ICD-11 classes
14 Diseases of the skin
Malignant neoplasms involving the skin
In situ neoplasms of skin
2E64 — Carcinoma in situ of skin
2E64.2 — Carcinoma in situ of anal margin or perianal skin
ICD-11 2E64.2 — Carcinoma in situ of anal margin or perianal skin
Carcinoma in situ of anal margin or perianal skin is most commonly squamous and related to oncogenic HPV strains, HIV infection or both. It may present as warty pigmented patches (Bowenoid papulosis).
The diagnosis includes nothing.
The diagnosis excludes nothing.
It has no clarifying diagnoses.
The diagnosis is coded elsewhere: