LA20

ICD-11 MMS 2026-01

Structural anomaly of eustachian apparatus

Index terms

  • Structural anomaly of eustachian apparatus
  • Congenital structural anomaly of eustachian apparatus
  • Absence of Eustachian tube
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  • absent eustachian tube
  • agenesis eustachian tube
  • congenital absence of eustachian tube
  • Acquired structural anomaly of eustachian apparatus

Inclusions

  • Absence of Eustachian tube

Exclusions from above levels

  • http://id.who.int/icd/entity/733825440 – Inborn errors of metabolism

Sibling codes

  • LA21 – Minor anomalies of pinnae
  • LA22 – Structural developmental anomalies of ear causing hearing impairment
  • LA23 – Otocephaly
  • LA24 – Accessory auricle
  • LA2Y – Other specified structural developmental anomalies of the ear
  • LA2Z – Structural developmental anomalies of the ear, unspecified

Foundation entity

Structural anomaly of eustachian apparatus – http://id.who.int/icd/entity/928929937

Allowed postcoordination axes

Part of: 20: Developmental anomalies