LA22

ICD-11 MMS 2026-01

Structural developmental anomalies of ear causing hearing impairment

Description

Any condition caused by the failure of the ear to correctly develop during the antenatal period. These conditions are characterised by hearing impairment.

Exclusions from above levels

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

Child codes

  • LA22.0 – Microtia
  • LA22.1 – Anotia
  • LA22.2 – Aplasia or hypoplasia of external auditory canal
  • LA22.3 – Structural developmental anomalies of ear ossicles
  • LA22.4 – Structural developmental anomalies of inner ear
  • LA22.Y – Other specified structural developmental anomalies of ear causing hearing impairment
  • LA22.Z – Structural developmental anomalies of ear causing hearing impairment, unspecified

Sibling codes

  • LA20 – Structural anomaly of eustachian apparatus
  • LA21 – Minor anomalies of pinnae
  • 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 developmental anomalies of ear causing hearing impairment – http://id.who.int/icd/entity/1513496791

Allowed postcoordination axes

Part of: 20: Developmental anomalies