AB12

ICD-11 MMS 2026-01

Cholesteatoma of middle ear

Index terms

  • Cholesteatoma of middle ear
  • cholesteatoma NOS
  • cholesterolosis of middle ear
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  • cholesterosis of ear
  • cholesterosis of middle ear
  • epidermoid cholesteatoma
  • epidermosis of ear
  • epidermosis of middle ear
  • middle ear granuloma
  • Congenital cholesteatoma of middle ear
  • Acquired cholesteatoma of middle ear
  • Cholesteatoma of mastoid
  • Cholesteatoma tympani

Excludes

  • AA40.2 – Cholesteatoma of external auditory canal
  • AB90 – Recurrent cholesteatoma of postmastoidectomy cavity

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

  • AB10 – Disorders of Eustachian tube
  • AB11 – Mastoiditis or related conditions
  • AB13 – Perforation of tympanic membrane
  • AB14 – Acute myringitis
  • AB15 – Chronic myringitis
  • AB16 – Tympanosclerosis
  • AB17 – Adhesive middle ear disease
  • AB18 – Discontinuity or dislocation of ear ossicles
  • AB19 – Acquired abnormalities of ear ossicles not related to discontinuity or dislocation
  • AB1A – Polyp of middle ear
  • AB1B – Middle ear cicatrix
  • AB1Y – Other specified diseases of middle ear or mastoid
  • AB1Z – Diseases of middle ear or mastoid, unspecified

Foundation entity

Cholesteatoma of middle ear – http://id.who.int/icd/entity/2134365487

Allowed postcoordination axes

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