Chapter 10: Diseases of the Ear or Mastoid Process
ICD-11 codes AA00-AC0Z
Includes otitis media, hearing loss, tinnitus, vertigo, and mastoiditis. Otitis media remains one of the most common reasons for pediatric visits. ICD-11 improves the specificity of hearing loss classification.
AA00-AA0Z
Infectious diseases of external ear
AA00-AA6Z
Diseases of external ear
AA10-AA1Z
Noninfectious inflammation of external ear
AA10-AA3Z
Otitis externa
AA40-AA4Z
Noninflammatory disorders of the external ear
AA80-AA8Z
Nonsuppurative otitis media
AA80-AB0Z
Otitis media
AA80-AB1Z
Diseases of middle ear or mastoid
AB10Disorders of Eustachian tube
AB11Mastoiditis or related conditions
AB12Cholesteatoma of middle ear
AB13Perforation of tympanic membrane
AB14Acute myringitis
AB15Chronic myringitis
AB16Tympanosclerosis
AB17Adhesive middle ear disease
AB18Discontinuity or dislocation of ear ossicles
AB19Acquired abnormalities of ear ossicles not related to discontinuity or dislocation
AB1APolyp of middle ear
AB1BMiddle ear cicatrix
AB1YOther specified diseases of middle ear or mastoid
AB1ZDiseases of middle ear or mastoid, unspecified
AA90-AA9Z
Suppurative otitis media
AB30-AB3Z
Diseases of inner ear
AB30Acute vestibular syndrome
AB31Episodic vestibular syndrome
AB32Chronic vestibular syndrome
AB33Otosclerosis
AB34Disorders of vestibular function
AB35Labyrinthine fistula
AB36Labyrinthine dysfunction
AB37Noise effects on inner ear
AB3YOther specified diseases of inner ear
AB3ZDiseases of inner ear, unspecified
AB50-AB5Z
Disorders with hearing impairment
AB50Congenital hearing impairment
AB51Acquired hearing impairment
AB52Deafness not otherwise specified
AB53Ototoxic hearing loss
AB54Presbycusis
AB55Sudden idiopathic hearing loss
AB56Hereditary hearing loss
AB57Auditory synaptopathy or neuropathy
AB5YOther specified disorders with hearing impairment
AB5ZDisorders with hearing impairment, unspecified
AB70-AB7Y
Disorders of ear, not elsewhere classified
AB90-AB93
Postprocedural disorders of ear or mastoid process
Frequently Asked Questions
What ICD-11 codes are in Chapter 10?
Chapter 10: Diseases of the Ear or Mastoid Process covers ICD-11 codes AA00-AC0Z. It contains 13 code blocks with 76 top-level categories.
What conditions does ICD-11 Chapter 10 cover?
Includes otitis media, hearing loss, tinnitus, vertigo, and mastoiditis. Otitis media remains one of the most common reasons for pediatric visits. ICD-11 improves the specificity of hearing loss classification. This chapter includes codes from AA00-AC0Z.
How is ICD-11 Chapter 10 different from ICD-10?
ICD-11 reorganized many chapters compared to ICD-10. Chapter 10 (Diseases of the Ear or Mastoid Process) may include conditions that were in different ICD-10 chapters, and some conditions previously here may have moved. ICD-11 also adds new chapters for sleep-wake disorders, sexual health, and traditional medicine that did not exist in ICD-10.
How many code blocks are in ICD-11 Chapter 10?
Chapter 10 has 13 code blocks: AA00-AA0Z (Infectious diseases of external ear), AA00-AA6Z (Diseases of external ear), AA10-AA1Z (Noninfectious inflammation of external ear), AA10-AA3Z (Otitis externa), and 9 more.
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