2C00.0

ICD-11 MMS 2026-01

Adenocarcinoma of anus or anal canal

Description

An adenocarcinoma arising in the anal canal epithelium, including the mucosal surface, the anal glands, and the lining of fistulous tracts.

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.

Index terms

  • Adenocarcinoma of anus or anal canal

Exclusions from above levels

  • http://id.who.int/icd/entity/1965082709 – Malignant mesenchymal neoplasms
  • 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
Show allHide
  • http://id.who.int/icd/entity/879154182 – Neoplasms of central nervous system or related structures
  • http://id.who.int/icd/entity/944754984 – Neoplasms of haematopoietic or lymphoid tissues

Sibling codes

  • 2C00.1 – Melanoma of anus or anal canal
  • 2C00.2 – Neuroendocrine neoplasm of anus or anal canal
  • 2C00.3 – Squamous cell carcinoma of anus or anal canal
  • 2C00.Y – Other specified malignant neoplasms of anus or anal canal
  • 2C00.Z – Malignant neoplasms of anus or anal canal, unspecified

Foundation entity

Adenocarcinoma of anus or anal canal – http://id.who.int/icd/entity/168138050

Allowed postcoordination axes

Part of: 2C00: Malignant neoplasms of anus or anal canal › 02: Neoplasms