1. H69 Other and unspecified disorders of Eustachian tube

    1. H69.0 Patulous Eustachian tube

      1. H69.00 Patulous Eustachian tube, unspecified ear

      2. H69.01 Patulous Eustachian tube, right ear

      3. H69.02 Patulous Eustachian tube, left ear

      4. H69.03 Patulous Eustachian tube, bilateral

    2. H69.8 Other specified disorders of Eustachian tube

      1. H69.80 Other specified disorders of Eustachian tube, unspecified ear

      2. H69.81 Other specified disorders of Eustachian tube, right ear

      3. H69.82 Other specified disorders of Eustachian tube, left ear

      4. H69.83 Other specified disorders of Eustachian tube, bilateral

    3. H69.9 Unspecified Eustachian tube disorder

      1. H69.90 Unspecified Eustachian tube disorder, unspecified ear

      2. H69.91 Unspecified Eustachian tube disorder, right ear

      3. H69.92 Unspecified Eustachian tube disorder, left ear

      4. H69.93 Unspecified Eustachian tube disorder, 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.