ICD-10-CM > N00-N99 > N80-N98 > N80 > N80.3 > N80.3B N80.3B Deep endometriosis of the uterosacral ligament(s) Non-Billable/Non-Specific Codes N80.3B1Deep endometriosis of the right uterosacral ligamentN80.3B2Deep endometriosis of the left uterosacral ligamentN80.3B3Deep endometriosis of bilateral uterosacral ligament(s)N80.3B9Deep endometriosis of the uterosacral ligament(s), unspecified side