Structural developmental anomalies of ear causing hearing impairment

International Classification of Diseases for Mortality and Morbidity Statistics, 11th Revision, v2024-01

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

sections/codes in this section (LA22-LA22)

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

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