ICD-11 classes
02 Neoplasms
In situ neoplasms, except of lymphoid, haematopoietic,...
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:

• Carcinoma in situ of skin #17497