2B92.0

ICD-11 MMS 2026-01

Adenocarcinomas of rectum

Description

An adenocarcinoma arising from the rectum. It is more frequently seen in populations with a Western type diet and in patients with a history of chronic inflammatory bowel disease.

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

  • Adenocarcinomas of rectum
  • rectal adenocarcinoma

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

  • 2B92.1 – Neuroendocrine neoplasms of rectum
  • 2B92.Y – Other specified malignant neoplasms of rectum
  • 2B92.Z – Malignant neoplasms of rectum, unspecified

Foundation entity

Adenocarcinomas of rectum – http://id.who.int/icd/entity/1316028436

Allowed postcoordination axes

Part of: 2B92: Malignant neoplasms of rectum › 02: Neoplasms