1. D27 Benign neoplasm of ovary

    Use additional code to identify any functional activity.


    • corpus albicans cyst (N83.2-)
    • corpus luteum cyst (N83.1-)
    • endometrial cyst (N80.1-)
    • follicular (atretic) cyst (N83.0-)
    • graafian follicle cyst (N83.0-)
    • ovarian cyst NEC (N83.2-)
    • ovarian retention cyst (N83.2-)
    1. D27.0 Benign neoplasm of right ovary

    2. D27.1 Benign neoplasm of left ovary

    3. D27.9 Benign neoplasm of unspecified ovary

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.