Acquired deformity of external auditory canal

International Classification of Diseases for Mortality and Morbidity Statistics, 11th Revision, v2025-01

sections/codes in this section (AA40-AA40)

• Exostosis of external auditory canal  (AA40.0)
• Acquired stenosis of external auditory canal  (AA40.1)
• Cholesteatoma of external auditory canal  (AA40.2)
• Other specified acquired deformity of external auditory canal  (AA40.Y)
• Acquired deformity of external auditory canal, unspecified  (AA40.Z)

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