1. H66 Suppurative and unspecified otitis media

    Use Additional code to identify:
    exposure to environmental tobacco smoke (Z77.22)
    exposure to tobacco smoke in the perinatal period (P96.81)
    history of tobacco dependence (Z87.891)
    occupational exposure to environmental tobacco smoke (Z57.31)
    tobacco dependence (F17.-)
    tobacco use (Z72.0)

    Includes:

    • suppurative and unspecified otitis media with myringitis
    1. H66.0 Acute suppurative otitis media

      1. H66.00 Acute suppurative otitis media without spontaneous rupture of ear drum

        • H66.001 Acute suppurative otitis media without spontaneous rupture of ear drum, right ear
        • H66.002 Acute suppurative otitis media without spontaneous rupture of ear drum, left ear
        • H66.003 Acute suppurative otitis media without spontaneous rupture of ear drum, bilateral
        • H66.004 Acute suppurative otitis media without spontaneous rupture of ear drum, recurrent, right ear
        • H66.005 Acute suppurative otitis media without spontaneous rupture of ear drum, recurrent, left ear
        • H66.006 Acute suppurative otitis media without spontaneous rupture of ear drum, recurrent, bilateral
        • H66.007 Acute suppurative otitis media without spontaneous rupture of ear drum, recurrent, unspecified ear
        • H66.009 Acute suppurative otitis media without spontaneous rupture of ear drum, unspecified ear
      2. H66.01 Acute suppurative otitis media with spontaneous rupture of ear drum

        • H66.011 Acute suppurative otitis media with spontaneous rupture of ear drum, right ear
        • H66.012 Acute suppurative otitis media with spontaneous rupture of ear drum, left ear
        • H66.013 Acute suppurative otitis media with spontaneous rupture of ear drum, bilateral
        • H66.014 Acute suppurative otitis media with spontaneous rupture of ear drum, recurrent, right ear
        • H66.015 Acute suppurative otitis media with spontaneous rupture of ear drum, recurrent, left ear
        • H66.016 Acute suppurative otitis media with spontaneous rupture of ear drum, recurrent, bilateral
        • H66.017 Acute suppurative otitis media with spontaneous rupture of ear drum, recurrent, unspecified ear
        • H66.019 Acute suppurative otitis media with spontaneous rupture of ear drum, unspecified ear
    2. H66.1 Chronic tubotympanic suppurative otitis media

      Inclusion term(s):

      • Benign chronic suppurative otitis media
      • Chronic tubotympanic disease
      1. H66.10 Chronic tubotympanic suppurative otitis media, unspecified

      2. H66.11 Chronic tubotympanic suppurative otitis media, right ear

      3. H66.12 Chronic tubotympanic suppurative otitis media, left ear

      4. H66.13 Chronic tubotympanic suppurative otitis media, bilateral

    3. H66.2 Chronic atticoantral suppurative otitis media

      Inclusion term(s):

      • Chronic atticoantral disease
      1. H66.20 Chronic atticoantral suppurative otitis media, unspecified ear

      2. H66.21 Chronic atticoantral suppurative otitis media, right ear

      3. H66.22 Chronic atticoantral suppurative otitis media, left ear

      4. H66.23 Chronic atticoantral suppurative otitis media, bilateral

    4. H66.3 Other chronic suppurative otitis media

      Inclusion term(s):

      • Chronic suppurative otitis media NOS
      1. H66.3X Other chronic suppurative otitis media

        • H66.3X1 Other chronic suppurative otitis media, right ear
        • H66.3X2 Other chronic suppurative otitis media, left ear
        • H66.3X3 Other chronic suppurative otitis media, bilateral
        • H66.3X9 Other chronic suppurative otitis media, unspecified ear
    5. H66.4 Suppurative otitis media, unspecified

      Inclusion term(s):

      • Purulent otitis media NOS
      1. H66.40 Suppurative otitis media, unspecified, unspecified ear

      2. H66.41 Suppurative otitis media, unspecified, right ear

      3. H66.42 Suppurative otitis media, unspecified, left ear

      4. H66.43 Suppurative otitis media, unspecified, bilateral

    6. H66.9 Otitis media, unspecified

      Inclusion term(s):

      • Otitis media NOS
      • Acute otitis media NOS
      • Chronic otitis media NOS
      1. H66.90 Otitis media, unspecified, unspecified ear

      2. H66.91 Otitis media, unspecified, right ear

      3. H66.92 Otitis media, unspecified, left ear

      4. H66.93 Otitis media, unspecified, 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.