ICD-11 MMS

10 Diseases of the ear or mastoid process

Diseases of external ear  (AA00-AA6Z)

Otitis externa  (AA10-AA3Z)

Noninfectious inflammation of external ear  (AA10-AA1Z)

AA10 Seborrhoeic otitis externa

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


Seborrhoeic dermatitis affecting the skin of the external ear. It is usually accompanied by evidence of seborrhoeic dermatitis at other sites. In mild cases it may be asymptomatic but it can present acutely with severe pain, oedema and exudation. Longstanding cases may be complicated by chronic lymphoedema and occlusion of the external auditory canal.

exclusions

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
Course  - only one may be selected

synonyms

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