Otitis externa

Definition

Inflammation of the outer ear including the external ear canal, cartilages of the auricle, and the tympanic membrane.

3 subordinate codes

• AA10-AA1ZNoninfectious inflammation of external ear
• 4B4YOther specified diseases of the immune system
• 4B4ZDiseases of the immune system, unspecified

Nearby in Diseases of external ear

• AA00-AA0ZInfectious diseases of external ear
• AA40-AA4ZNoninflammatory disorders of the external ear
• 4B4ZDiseases of the immune system, unspecified