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)
Internal Codes
  • H90.A32

    Mixed conductive and sensorineural hearing loss, unilateral, left ear with restricted hearing on the contralateral side

  • H91

    Other and unspecified hearing loss

  • H91.0

    Ototoxic hearing loss

  • H91.01

    Ototoxic hearing loss, right ear

  • H91.02

    Ototoxic hearing loss, left ear

  • H91.03

    Ototoxic hearing loss, bilateral

  • H91.09

    Ototoxic hearing loss, unspecified ear

  • H91.1

    Presbycusis

  • H91.10

    Presbycusis, unspecified ear

  • H91.11

    Presbycusis, right ear

  • H91.12

    Presbycusis, left ear

  • H91.13

    Presbycusis, bilateral

  • H91.2

    Sudden idiopathic hearing loss

  • H91.20

    Sudden idiopathic hearing loss, unspecified ear

  • H91.21

    Sudden idiopathic hearing loss, right ear

  • H91.22

    Sudden idiopathic hearing loss, left ear

  • H91.23

    Sudden idiopathic hearing loss, bilateral

  • H91.3

    Deaf nonspeaking, not elsewhere classified

  • H91.8

    Other specified hearing loss

  • H91.8X

    Other specified hearing loss

  • H91.8X1

    Other specified hearing loss, right ear

  • H91.8X2

    Other specified hearing loss, left ear

  • H91.8X3

    Other specified hearing loss, bilateral

  • H91.8X9

    Other specified hearing loss, unspecified ear

  • H91.9

    Unspecified hearing loss

  • H91.90

    Unspecified hearing loss, unspecified ear

  • H91.91

    Unspecified hearing loss, right ear

  • H91.92

    Unspecified hearing loss, left ear

  • H91.93

    Unspecified hearing loss, bilateral

  • H92

    Otalgia and effusion of ear

  • H92.0

    Otalgia

  • H92.01

    Otalgia, right ear

  • H92.02

    Otalgia, left ear

  • H92.03

    Otalgia, bilateral

  • H92.09

    Otalgia, unspecified ear

  • H92.1

    Otorrhea

  • H92.10

    Otorrhea, unspecified ear

  • H92.11

    Otorrhea, right ear

  • H92.12

    Otorrhea, left ear

  • H92.13

    Otorrhea, bilateral

  • H92.2

    Otorrhagia

  • H92.20

    Otorrhagia, unspecified ear

  • H92.21

    Otorrhagia, right ear

  • H92.22

    Otorrhagia, left ear

  • H92.23

    Otorrhagia, bilateral

  • H93

    Other disorders of ear, not elsewhere classified

  • H93.0

    Degenerative and vascular disorders of ear

  • H93.01

    Transient ischemic deafness

  • H93.011

    Transient ischemic deafness, right ear

  • H93.012

    Transient ischemic deafness, left ear

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