ICD-11 classes
10 Diseases of the ear or mastoid process
Diseases of external ear
Infectious diseases of external ear
AA01 — Cellulitis of external ear
ICD-11 AA01 — Cellulitis of external ear
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.
The diagnosis includes nothing.
It excludes 3 items.
- Erysipelas of external ear (1B70.01)
- Staphylococcal cellulitis of skin (1B70.2)
- Streptococcal cellulitis of skin (1B70.1)
It has no clarifying diagnoses.