N80.1Non-Billable (Header)Endometriosis of ovaryChild CodesN80.10Endometriosis of ovary, unspecified depthN80.11Superficial endometriosis of the ovaryN80.12Deep endometriosis of ovaryCode Hierarchy└N80Endometriosis└N80.1Endometriosis of ovary└N80.1Endometriosis of ovary