ICD-10-CM > N00-N99 > N80-N98 > N83 > N83.2 > N83.20 N83.20 Unspecified ovarian cysts Non-Billable/Non-Specific Codes N83.201Unspecified ovarian cyst, right sideN83.202Unspecified ovarian cyst, left sideN83.209Unspecified ovarian cyst, unspecified side