All ICD10 Codes
Chapter 8

H60–H95: Diseases of the Ear and Mastoid Process

Diseases of the Ear and Mastoid Process diagnostic classification updated for 2026.

Chapter Instructions

Excludes2(Not included here. Code separately if applicable.)
  • certain conditions originating in the perinatal period (P04-P96)
  • certain infectious and parasitic diseases (A00-B99)
  • complications of pregnancy, childbirth and the puerperium (O00-O9A)
  • congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)
  • endocrine, nutritional and metabolic diseases (E00-E88)
  • injury, poisoning and certain other consequences of external causes (S00-T88)
  • neoplasms (C00-D49)
  • symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
All CodesBillable Only
Internal Codes
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  • H74.311—

    Ankylosis of ear ossicles, right ear

  • H74.312—

    Ankylosis of ear ossicles, left ear

  • H74.313—

    Ankylosis of ear ossicles, bilateral

  • H74.319—

    Ankylosis of ear ossicles, unspecified ear

  • H74.321—

    Partial loss of ear ossicles, right ear

  • H74.322—

    Partial loss of ear ossicles, left ear

  • H74.323—

    Partial loss of ear ossicles, bilateral

  • H74.329—

    Partial loss of ear ossicles, unspecified ear

  • H74.391—

    Other acquired abnormalities of right ear ossicles

  • H74.392—

    Other acquired abnormalities of left ear ossicles

  • H74.393—

    Other acquired abnormalities of ear ossicles, bilateral

  • H74.399—

    Other acquired abnormalities of ear ossicles, unspecified ear

  • H74.40—

    Polyp of middle ear, unspecified ear

  • H74.41—

    Polyp of right middle ear

  • H74.42—

    Polyp of left middle ear

  • H74.43—

    Polyp of middle ear, bilateral

  • H74.8X1—

    Other specified disorders of right middle ear and mastoid

  • H74.8X2—

    Other specified disorders of left middle ear and mastoid

  • H74.8X3—

    Other specified disorders of middle ear and mastoid, bilateral

  • H74.8X9—

    Other specified disorders of middle ear and mastoid, unspecified ear

  • H74.90—

    Unspecified disorder of middle ear and mastoid, unspecified ear

  • H74.91—

    Unspecified disorder of right middle ear and mastoid

  • H74.92—

    Unspecified disorder of left middle ear and mastoid

  • H74.93—

    Unspecified disorder of middle ear and mastoid, bilateral

  • H75.00—

    Mastoiditis in infectious and parasitic diseases classified elsewhere, unspecified ear

  • H75.01—

    Mastoiditis in infectious and parasitic diseases classified elsewhere, right ear

  • H75.02—

    Mastoiditis in infectious and parasitic diseases classified elsewhere, left ear

  • H75.03—

    Mastoiditis in infectious and parasitic diseases classified elsewhere, bilateral

  • H75.80—

    Other specified disorders of middle ear and mastoid in diseases classified elsewhere, unspecified ear

  • H75.81—

    Other specified disorders of right middle ear and mastoid in diseases classified elsewhere

  • H75.82—

    Other specified disorders of left middle ear and mastoid in diseases classified elsewhere

  • H75.83—

    Other specified disorders of middle ear and mastoid in diseases classified elsewhere, bilateral

  • H80.00—

    Otosclerosis involving oval window, nonobliterative, unspecified ear

  • H80.01—

    Otosclerosis involving oval window, nonobliterative, right ear

  • H80.02—

    Otosclerosis involving oval window, nonobliterative, left ear

  • H80.03—

    Otosclerosis involving oval window, nonobliterative, bilateral

  • H80.10—

    Otosclerosis involving oval window, obliterative, unspecified ear

  • H80.11—

    Otosclerosis involving oval window, obliterative, right ear

  • H80.12—

    Otosclerosis involving oval window, obliterative, left ear

  • H80.13—

    Otosclerosis involving oval window, obliterative, bilateral

  • H80.20—

    Cochlear otosclerosis, unspecified ear

  • H80.21—

    Cochlear otosclerosis, right ear

  • H80.22—

    Cochlear otosclerosis, left ear

  • H80.23—

    Cochlear otosclerosis, bilateral

  • H80.80—

    Other otosclerosis, unspecified ear

  • H80.81—

    Other otosclerosis, right ear

  • H80.82—

    Other otosclerosis, left ear

  • H80.83—

    Other otosclerosis, bilateral

  • H80.90—

    Unspecified otosclerosis, unspecified ear

  • H80.91—

    Unspecified otosclerosis, right ear

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