ICD-10-CM > C00-D49 > D10-D36 > D27 D27 Benign neoplasm of ovary Non-Billable/Non-Specific Use Additional code to identify any functional activity. Type 2 Excludes 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-) Codes D27.0Benign neoplasm of right ovaryD27.1Benign neoplasm of left ovaryD27.9Benign neoplasm of unspecified ovary