2F91.1

ICD-11 MMS 2026-01

Neoplasms of unknown behaviour of trachea, bronchus or lung

Index terms

  • Neoplasms of unknown behaviour of trachea, bronchus or lung
  • trachea, bronchus or lung tumour NOS
  • Intravascular bronchial alveolar tumour of unspecified site
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  • Bronchial adenoma of unknown behaviour of unspecified site
  • Intravascular bronchial alveolar tumour unknown behaviour of unspecified site
  • Lung hemangiopericytoma of unknown behaviour
  • Pulmonary adenomatosis of unknown behaviour of unspecified site
  • Trachea carina neoplasm of unknown behaviour
  • trachea carina neoplasm NOS
  • Lung tumour
  • Bronchus tumour
  • Trachea tumour

Sibling codes

  • 2F91.0 – Neoplasms of unknown behaviour of larynx
  • 2F91.Y – Neoplasms of unknown behaviour of other specified respiratory organ, intrathoracic organ or middle ear
  • 2F91.Z – Neoplasms of unknown behaviour of unspecified respiratory organ or intrathoracic organ

Foundation entity

Neoplasms of unknown behaviour of trachea, bronchus or lung – http://id.who.int/icd/entity/1538190919

Allowed postcoordination axes

Part of: 2F91: Neoplasms of unknown behaviour of middle ear, respiratory or intrathoracic organs › 02: Neoplasms