2B5F.1

ICD-11 MMS 2026-01

Sarcoma, not elsewhere classified of retroperitoneum or 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

  • 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

Child codes

  • 2B5F.10 – Myosarcomas of omentum
  • 2B5F.1Y – Other specified sarcoma, not elsewhere classified of retroperitoneum or peritoneum
  • 2B5F.1Z – Sarcoma, not elsewhere classified of retroperitoneum or peritoneum, unspecified

Sibling codes

  • 2B5F.0 – Sarcoma, not elsewhere classified of uterus
  • 2B5F.2 – Sarcoma, not elsewhere classified of other specified sites
  • 2B5F.3 – Sarcoma, not elsewhere classified, primary site unknown

Foundation entity

Sarcoma, not elsewhere classified of retroperitoneum or peritoneum – http://id.who.int/icd/entity/2091164276

Allowed postcoordination axes

Part of: 2B5F: Sarcoma, not elsewhere classified, primary site › 02: Neoplasms