XA9RH9

ICD-11 MMS 2026-01

Mastoid antrum

Index terms

  • Mastoid antrum

Sibling codes

  • XA08X4 – Tympanic membrane
  • XA16S6 – Oval window
  • XA3KB2 – Tympanic cavity
  • XA3UT7 – Connective and other soft tissues of middle ear
  • XA7XY6 – Eustachian tube

Foundation entity

Mastoid antrum – http://id.who.int/icd/entity/595221519

Part of: XA0G74: Middle Ear › XA01U5: Ear › X: Extension Codes