1. G73 Disorders of myoneural junction and muscle in diseases classified elsewhere

    1. G73.1 Lambert-Eaton syndrome in neoplastic disease

    2. G73.3 Myasthenic syndromes in other diseases classified elsewhere

    3. G73.7 Myopathy in diseases classified elsewhere

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.