1. D24 Benign neoplasm of breast

    1. D24.1 Benign neoplasm of right breast

    2. D24.2 Benign neoplasm of left breast

    3. D24.9 Benign neoplasm of unspecified breast

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.