1. H75 Other disorders of middle ear and mastoid in diseases classified elsewhere

    1. H75.0 Mastoiditis in infectious and parasitic diseases classified elsewhere

      1. H75.00 Mastoiditis in infectious and parasitic diseases classified elsewhere, unspecified ear

      2. H75.01 Mastoiditis in infectious and parasitic diseases classified elsewhere, right ear

      3. H75.02 Mastoiditis in infectious and parasitic diseases classified elsewhere, left ear

      4. H75.03 Mastoiditis in infectious and parasitic diseases classified elsewhere, bilateral

    2. H75.8 Other specified disorders of middle ear and mastoid in diseases classified elsewhere

      1. H75.80 Other specified disorders of middle ear and mastoid in diseases classified elsewhere, unspecified ear

      2. H75.81 Other specified disorders of right middle ear and mastoid in diseases classified elsewhere

      3. H75.82 Other specified disorders of left middle ear and mastoid in diseases classified elsewhere

      4. H75.83 Other specified disorders of middle ear and mastoid in diseases classified elsewhere, 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.