2C52

ICD-11 MMS 2026-01

Malignant neoplasms of omentum

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

  • 2C50 – Malignant neoplasms of retroperitoneum
  • 2C51 – Malignant neoplasms of peritoneum
  • http://id.who.int/icd/entity/1965082709 – Malignant mesenchymal neoplasms

Exclusions from above levels

  • 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

Child codes

  • 2C52.0 – Cystic, mucinous or serous carcinoma of omentum
  • 2C52.Y – Other specified malignant neoplasms of omentum
  • 2C52.Z – Malignant neoplasms of omentum, unspecified

Foundation children elsewhere

Sibling codes

  • 2C50 – Malignant neoplasms of retroperitoneum
  • 2C51 – Malignant neoplasms of peritoneum
  • 2C53 – Malignant neoplasm involving overlapping sites of retroperitoneum, peritoneum or omentum

Foundation entity

Malignant neoplasms of omentum – http://id.who.int/icd/entity/376183718

Allowed postcoordination axes

Part of: 02: Neoplasms