AA01 Cellulitis of external ear

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

A diffuse subacute bacterial infection of the soft tissues of the external ear, most commonly due to beta-haemolytic streptococci. It may arise within an apparently healthy external ear but may complicate both inflammatory and infective forms of otitis externa.

exclusions

• Erysipelas of external ear  (1B70.01)
• Staphylococcal cellulitis of skin  (1B70.2)
• Streptococcal cellulitis of skin  (1B70.1)

postcoordination

synonyms

• Cellulitis of external ear
• Cellulitis of external auditory canal
• Cellulitis of pinna
• Cellulitis of auricle

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