1. H68 Eustachian salpingitis and obstruction

    1. H68.0 Eustachian salpingitis

      1. H68.00 Unspecified Eustachian salpingitis

        • H68.001 Unspecified Eustachian salpingitis, right ear
        • H68.002 Unspecified Eustachian salpingitis, left ear
        • H68.003 Unspecified Eustachian salpingitis, bilateral
        • H68.009 Unspecified Eustachian salpingitis, unspecified ear
      2. H68.01 Acute Eustachian salpingitis

        • H68.011 Acute Eustachian salpingitis, right ear
        • H68.012 Acute Eustachian salpingitis, left ear
        • H68.013 Acute Eustachian salpingitis, bilateral
        • H68.019 Acute Eustachian salpingitis, unspecified ear
      3. H68.02 Chronic Eustachian salpingitis

        • H68.021 Chronic Eustachian salpingitis, right ear
        • H68.022 Chronic Eustachian salpingitis, left ear
        • H68.023 Chronic Eustachian salpingitis, bilateral
        • H68.029 Chronic Eustachian salpingitis, unspecified ear
    2. H68.1 Obstruction of Eustachian tube

      Inclusion term(s):

      • Stenosis of Eustachian tube
      • Stricture of Eustachian tube
      1. H68.10 Unspecified obstruction of Eustachian tube

        • H68.101 Unspecified obstruction of Eustachian tube, right ear
        • H68.102 Unspecified obstruction of Eustachian tube, left ear
        • H68.103 Unspecified obstruction of Eustachian tube, bilateral
        • H68.109 Unspecified obstruction of Eustachian tube, unspecified ear
      2. H68.11 Osseous obstruction of Eustachian tube

        • H68.111 Osseous obstruction of Eustachian tube, right ear
        • H68.112 Osseous obstruction of Eustachian tube, left ear
        • H68.113 Osseous obstruction of Eustachian tube, bilateral
        • H68.119 Osseous obstruction of Eustachian tube, unspecified ear
      3. H68.12 Intrinsic cartilagenous obstruction of Eustachian tube

        • H68.121 Intrinsic cartilagenous obstruction of Eustachian tube, right ear
        • H68.122 Intrinsic cartilagenous obstruction of Eustachian tube, left ear
        • H68.123 Intrinsic cartilagenous obstruction of Eustachian tube, bilateral
        • H68.129 Intrinsic cartilagenous obstruction of Eustachian tube, unspecified ear
      4. H68.13 Extrinsic cartilagenous obstruction of Eustachian tube

        Inclusion term(s):

        • Compression of Eustachian tube
        • H68.131 Extrinsic cartilagenous obstruction of Eustachian tube, right ear
        • H68.132 Extrinsic cartilagenous obstruction of Eustachian tube, left ear
        • H68.133 Extrinsic cartilagenous obstruction of Eustachian tube, bilateral
        • H68.139 Extrinsic cartilagenous obstruction of Eustachian tube, unspecified ear
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.