ICD-10-CM > N00-N99 > N80-N98 > N83 > N83.2 > N83.29 N83.29 Other ovarian cysts Non-Billable/Non-Specific Applicable To Retention cyst of ovarySimple cyst of ovary Codes N83.291Other ovarian cyst, right sideN83.292Other ovarian cyst, left sideN83.299Other ovarian cyst, unspecified side