Malignant neoplasms of anus or anal canal

Description

A primary malignant neoplasm that arises in the anal canal up to the junction with perianal, hair-bearing skin. Representative examples include carcinomas and melanomas. Tumours of the anal margin are classified with skin tumours.

Coding note from above levels

For use of this category, reference should be made to the mortality coding rules and guidelines in the Reference Guide.

Excludes

• http://id.who.int/icd/entity/1965082709 – Malignant mesenchymal neoplasms

Exclusions from above levels

• http://id.who.int/icd/entity/111033337 – Malignant neoplasm metastasis in digestive system
• http://id.who.int/icd/entity/794095161 – Malignant neoplasms of lip, oral cavity or pharynx
• http://id.who.int/icd/entity/879154182 – Neoplasms of central nervous system or related structures