1. H81 Disorders of vestibular function

    Excludes1

    • epidemic vertigo (A88.1)
    • vertigo NOS (R42)
    1. H81.0 Ménière's disease

      Inclusion term(s):

      • Labyrinthine hydrops
      • Ménière's syndrome or vertigo
      1. H81.01 Ménière's disease, right ear

      2. H81.02 Ménière's disease, left ear

      3. H81.03 Ménière's disease, bilateral

      4. H81.09 Ménière's disease, unspecified ear

    2. H81.1 Benign paroxysmal vertigo

      1. H81.10 Benign paroxysmal vertigo, unspecified ear

      2. H81.11 Benign paroxysmal vertigo, right ear

      3. H81.12 Benign paroxysmal vertigo, left ear

      4. H81.13 Benign paroxysmal vertigo, bilateral

    3. H81.2 Vestibular neuronitis

      1. H81.20 Vestibular neuronitis, unspecified ear

      2. H81.21 Vestibular neuronitis, right ear

      3. H81.22 Vestibular neuronitis, left ear

      4. H81.23 Vestibular neuronitis, bilateral

    4. H81.3 Other peripheral vertigo

      1. H81.31 Aural vertigo

      2. H81.39 Other peripheral vertigo

        Inclusion term(s):

        • Lermoyez' syndrome
        • Otogenic vertigo
        • Peripheral vertigo NOS
        • H81.391 Other peripheral vertigo, right ear
        • H81.392 Other peripheral vertigo, left ear
        • H81.393 Other peripheral vertigo, bilateral
        • H81.399 Other peripheral vertigo, unspecified ear
    5. H81.4 Vertigo of central origin

      Inclusion term(s):

      • Central positional nystagmus
    6. H81.8 Other disorders of vestibular function

      1. H81.8X Other disorders of vestibular function

        • H81.8X1 Other disorders of vestibular function, right ear
        • H81.8X2 Other disorders of vestibular function, left ear
        • H81.8X3 Other disorders of vestibular function, bilateral
        • H81.8X9 Other disorders of vestibular function, unspecified ear
    7. H81.9 Unspecified disorder of vestibular function

      Inclusion term(s):

      • Vertiginous syndrome NOS
      1. H81.90 Unspecified disorder of vestibular function, unspecified ear

      2. H81.91 Unspecified disorder of vestibular function, right ear

      3. H81.92 Unspecified disorder of vestibular function, left ear

      4. H81.93 Unspecified disorder of vestibular function, bilateral

Abbreviations used here:

NEC Not elsewhere classifiable
This abbreviation in the Tabular List represents “other specified”. When a specific code is not available for a condition, the Tabular List includes an NEC entry under a code to identify the code as the “other specified” code.

NOS Not otherwise specified
This abbreviation is the equivalent of unspecified.