AA10

ICD-11 MMS 2026-01

Seborrhoeic otitis externa

Description

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.

Index terms

  • Seborrhoeic otitis externa
  • Seborrhoeic dermatitis of external ear
  • Acute seborrhoeic otitis externa
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  • Chronic seborrhoeic otitis externa

Excludes

Exclusions from above levels

  • 01 – Certain infectious or parasitic diseases
  • 02 – Neoplasms
  • 05 – Endocrine, nutritional or metabolic diseases
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  • 18 – Complications of pregnancy, childbirth and the puerperium
  • 19 – Certain conditions originating in the perinatal period
  • 22 – Injury, poisoning or certain other consequences of external causes

Sibling codes

  • AA11 – Acute noninfectious otitis externa
  • AA12 – Chondrodermatitis nodularis
  • AA13 – Chronic otitis externa
  • AA1Y – Other specified noninfectious inflammation of external ear
  • AA1Z – Noninfectious inflammation of external ear, unspecified

Foundation entity

Seborrhoeic otitis externa – http://id.who.int/icd/entity/1384400156

Allowed postcoordination axes

Part of: 10: Diseases of the ear or mastoid process