2C51.21

ICD-11 MMS 2026-01

Mesothelioma of mesentery

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

  • Mesothelioma of mesentery

Exclusions from above levels

  • 2C50 – Malignant neoplasms of retroperitoneum
  • 2C52 – Malignant neoplasms of omentum
  • 2D91 – Malignant neoplasm metastasis in peritoneum
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  • 2E0Y – Abdominal carcinomatosis
  • http://id.who.int/icd/entity/1965082709 – Malignant mesenchymal neoplasms
  • 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

  • 2C51.20 – Mesothelioma of mesocolon
  • 2C51.2Y – Mesotheliomas of other specified sites of peritoneum
  • 2C51.2Z – Mesotheliomas of peritoneum, site unspecified

Foundation entity

Mesothelioma of mesentery – http://id.who.int/icd/entity/295732875

Allowed postcoordination axes

Part of: 2C51.2: Mesotheliomas of peritoneum › 2C51: Malignant neoplasms of peritoneum › 02: Neoplasms