1. H73 Other disorders of tympanic membrane

    1. H73.0 Acute myringitis

      1. H73.00 Unspecified acute myringitis

        Inclusion term(s):

        • Acute tympanitis NOS
        • H73.001 Acute myringitis, right ear
        • H73.002 Acute myringitis, left ear
        • H73.003 Acute myringitis, bilateral
        • H73.009 Acute myringitis, unspecified ear
      2. H73.01 Bullous myringitis

        • H73.011 Bullous myringitis, right ear
        • H73.012 Bullous myringitis, left ear
        • H73.013 Bullous myringitis, bilateral
        • H73.019 Bullous myringitis, unspecified ear
      3. H73.09 Other acute myringitis

        • H73.091 Other acute myringitis, right ear
        • H73.092 Other acute myringitis, left ear
        • H73.093 Other acute myringitis, bilateral
        • H73.099 Other acute myringitis, unspecified ear
    2. H73.1 Chronic myringitis

      Inclusion term(s):

      • Chronic tympanitis
      1. H73.10 Chronic myringitis, unspecified ear

      2. H73.11 Chronic myringitis, right ear

      3. H73.12 Chronic myringitis, left ear

      4. H73.13 Chronic myringitis, bilateral

    3. H73.2 Unspecified myringitis

      1. H73.20 Unspecified myringitis, unspecified ear

      2. H73.21 Unspecified myringitis, right ear

      3. H73.22 Unspecified myringitis, left ear

      4. H73.23 Unspecified myringitis, bilateral

    4. H73.8 Other specified disorders of tympanic membrane

      1. H73.81 Atrophic flaccid tympanic membrane

        • H73.811 Atrophic flaccid tympanic membrane, right ear
        • H73.812 Atrophic flaccid tympanic membrane, left ear
        • H73.813 Atrophic flaccid tympanic membrane, bilateral
        • H73.819 Atrophic flaccid tympanic membrane, unspecified ear
      2. H73.82 Atrophic nonflaccid tympanic membrane

        • H73.821 Atrophic nonflaccid tympanic membrane, right ear
        • H73.822 Atrophic nonflaccid tympanic membrane, left ear
        • H73.823 Atrophic nonflaccid tympanic membrane, bilateral
        • H73.829 Atrophic nonflaccid tympanic membrane, unspecified ear
      3. H73.89 Other specified disorders of tympanic membrane

        • H73.891 Other specified disorders of tympanic membrane, right ear
        • H73.892 Other specified disorders of tympanic membrane, left ear
        • H73.893 Other specified disorders of tympanic membrane, bilateral
        • H73.899 Other specified disorders of tympanic membrane, unspecified ear
    5. H73.9 Unspecified disorder of tympanic membrane

      1. H73.90 Unspecified disorder of tympanic membrane, unspecified ear

      2. H73.91 Unspecified disorder of tympanic membrane, right ear

      3. H73.92 Unspecified disorder of tympanic membrane, left ear

      4. H73.93 Unspecified disorder of tympanic membrane, 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.