Neoplasms of unknown behaviour of unspecified respiratory organ or intrathoracic organ

Sibling codes

• 2F91.0 – Neoplasms of unknown behaviour of larynx
• 2F91.1 – Neoplasms of unknown behaviour of trachea, bronchus or lung
• 2F91.Y – Neoplasms of unknown behaviour of other specified respiratory organ, intrathoracic organ or middle ear

Foundation entity

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

Allowed postcoordination axes

• specificAnatomy