ICD-10-CM > N00-N99 > N80-N98 > N80 > N80.A > N80.A5 N80.A5 Deep endometriosis of ureter Non-Billable/Non-Specific Applicable To Intrinsic endometriosis of ureter Code Also , if applicable, obstructive and reflux uropathy (N13.-) Codes N80.A51Deep endometriosis of right ureterN80.A52Deep endometriosis of left ureterN80.A53Deep endometriosis of bilateral uretersN80.A59Deep endometriosis of unspecified ureter