AA42

ICD-11 MMS 2026-01

Impacted cerumen

Description

Impacted cerumen is the presence of occlusive aural wax in the external ear canal. Wax may cause tinnitus or otalgia and removal may be required to allow adequate otoscopic examination and/or alleviate symptoms.

Index terms

  • Impacted cerumen
  • Impacted wax in ear

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

  • AA40 – Acquired deformity of external auditory canal
  • AA41 – Acquired deformity of pinna
  • AA4Y – Other specified noninflammatory disorders of the external ear
  • AA4Z – Noninflammatory disorders of the external ear, unspecified

Foundation entity

Impacted cerumen – http://id.who.int/icd/entity/643255245

Allowed postcoordination axes

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