2C51.2Y

ICD-11 MMS 2026-01

Mesotheliomas of other specified sites of peritoneum

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.

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
  • 2C51.21 – Mesothelioma of mesentery
  • 2C51.2Z – Mesotheliomas of peritoneum, site unspecified

Foundation entity

Mesotheliomas of peritoneum – http://id.who.int/icd/entity/1934564626

Allowed postcoordination axes

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