ICD-10-CM > N00-N99 > N80-N98 > N80 > N80.3 > N80.3A N80.3A Superficial endometriosis of the uterosacral ligament(s) Non-Billable/Non-Specific Codes N80.3A1Superficial endometriosis of the right uterosacral ligamentN80.3A2Superficial endometriosis of the left uterosacral ligamentN80.3A3Superficial endometriosis of the bilateral uterosacral ligament(s)N80.3A9Superficial endometriosis of the uterosacral ligament(s), unspecified side