2B55.1

ICD-11 MMS 2026-01

Rhabdomyosarcoma of respiratory or intrathoracic organs

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

  • Rhabdomyosarcoma of respiratory or intrathoracic organs
  • Alveolar rhabdomyosarcoma

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

  • 2B55.0 – Rhabdomyosarcoma of the oral cavity or pharynx
  • 2B55.2 – Rhabdomyosarcoma of male genital organs
  • 2B55.Y – Rhabdomyosarcoma, other specified primary site
  • 2B55.Z – Rhabdomyosarcoma, unspecified primary site

Foundation entity

Rhabdomyosarcoma of respiratory or intrathoracic organs – http://id.who.int/icd/entity/1041071513

Allowed postcoordination axes

Part of: 2B55: Rhabdomyosarcoma, primary site › 02: Neoplasms