AA13

ICD-11 MMS 2026-01

Chronic otitis externa

Description

This is a chronic inflammation of the outer ear and external ear canal (external auditory canal).

Index terms

  • Chronic otitis externa

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

  • AA10 – Seborrhoeic otitis externa
  • AA11 – Acute noninfectious otitis externa
  • AA12 – Chondrodermatitis nodularis
  • AA1Y – Other specified noninfectious inflammation of external ear
  • AA1Z – Noninfectious inflammation of external ear, unspecified

Foundation entity

Chronic otitis externa – http://id.who.int/icd/entity/634296561

Allowed postcoordination axes

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