2B58.0

ICD-11 MMS 2026-01

Leiomyosarcoma 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.

Index terms

  • Leiomyosarcoma of retroperitoneum or peritoneum

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
Show allHide
  • http://id.who.int/icd/entity/944754984 – Neoplasms of haematopoietic or lymphoid tissues

Sibling codes

  • 2B58.1 – Leiomyosarcoma of uterus
  • 2B58.2 – Leiomyosarcoma of stomach
  • 2B58.Y – Leiomyosarcoma, other specified primary site
  • 2B58.Z – Leiomyosarcoma, unspecified primary site

Foundation entity

Leiomyosarcoma of retroperitoneum or peritoneum – http://id.who.int/icd/entity/1444610847

Allowed postcoordination axes

Part of: 2B58: Leiomyosarcoma, primary site › 02: Neoplasms