2B58.2

ICD-11 MMS 2026-01

Leiomyosarcoma of stomach

Description

This is a malignant nonepithelial tumour that arises from cells lining the stomach that develop into smooth-muscle.

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 stomach

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

  • 2B58.0 – Leiomyosarcoma of retroperitoneum or peritoneum
  • 2B58.1 – Leiomyosarcoma of uterus
  • 2B58.Y – Leiomyosarcoma, other specified primary site
  • 2B58.Z – Leiomyosarcoma, unspecified primary site

Foundation entity

Leiomyosarcoma of stomach – http://id.who.int/icd/entity/399434138

Allowed postcoordination axes

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