2F91.Y

ICD-11 MMS 2026-01

Neoplasms of unknown behaviour of other specified respiratory organ, intrathoracic organ or middle ear

Sibling codes

  • 2F91.0 – Neoplasms of unknown behaviour of larynx
  • 2F91.1 – Neoplasms of unknown behaviour of trachea, bronchus or lung
  • 2F91.Z – Neoplasms of unknown behaviour of unspecified respiratory organ or intrathoracic organ

Foundation entity

Neoplasms of unknown behaviour of middle ear, respiratory or intrathoracic organs – http://id.who.int/icd/entity/1795904876

Allowed postcoordination axes

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