ICD-11 MMS

10 Diseases of the ear or mastoid process

Diseases of external ear  (AA00-AA6Z)

Noninflammatory disorders of the external ear  (AA40-AA4Z)

AA40 Acquired deformity of external auditory canal

AA40.Z Acquired deformity of external auditory canal, unspecified

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


postcoordination

Add Stem and/or Extension codes to form a cluster code which adds detail to the condition.

Laterality  - only one may be selected
Specific anatomy  - multiple selections are allowed

synonyms

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