2B54.Z

ICD-11 MMS 2026-01

Undifferentiated pleomorphic sarcoma, unspecified primary site

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

  • 2A01.1 – Mesenchymal tumour of meninges
  • 2A02.1 – Tumours of cranial or paraspinal nerves
  • http://id.who.int/icd/entity/879154182 – Neoplasms of central nervous system or related structures
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  • http://id.who.int/icd/entity/944754984 – Neoplasms of haematopoietic or lymphoid tissues

Sibling codes

  • 2B54.0 – Undifferentiated pleomorphic sarcoma of skin
  • 2B54.1 – Undifferentiated pleomorphic sarcoma of retroperitoneum or peritoneum
  • 2B54.Y – Undifferentiated pleomorphic sarcoma, other specified primary site

Foundation entity

Undifferentiated pleomorphic sarcoma, primary site – http://id.who.int/icd/entity/1348470541

Allowed postcoordination axes

Part of: 2B54: Undifferentiated pleomorphic sarcoma, primary site › 02: Neoplasms