| N801 | Endometriosis of ovary |
| N8010 | Endometriosis of ovary, unspecified depth |
| N80101 | Endometriosis of right ovary, unspecified depth |
| N80102 | Endometriosis of left ovary, unspecified depth |
| N80103 | Endometriosis of bilateral ovaries, unspecified depth |
| N80109 | Endometriosis of ovary, unspecified side, unspecified depth |
| N8011 | Superficial endometriosis of the ovary |
| N80111 | Superficial endometriosis of right ovary |
| N80112 | Superficial endometriosis of left ovary |
| N80113 | Superficial endometriosis of bilateral ovaries |
| N80119 | Superficial endometriosis of ovary, unspecified ovary |
| N8012 | Deep endometriosis of ovary |
| N80121 | Deep endometriosis of right ovary |
| N80122 | Deep endometriosis of left ovary |
| N80123 | Deep endometriosis of bilateral ovaries |
| N80129 | Deep endometriosis of ovary, unspecified ovary |
| N802 | Endometriosis of fallopian tube |
| N8020 | Endometriosis of fallopian tube, unspecified depth |
| N80201 | Endometriosis of right fallopian tube, unspecified depth |
| N80202 | Endometriosis of left fallopian tube, unspecified depth |
| N80203 | Endometriosis of bilateral fallopian tubes, unspecified depth |
| N80209 | Endometriosis of unspecified fallopian tube, unspecified depth |
| N8021 | Superficial endometriosis of fallopian tube |
| N80211 | Superficial endometriosis of right fallopian tube |
| N80212 | Superficial endometriosis of left fallopian tube |
| N80213 | Superficial endometriosis of bilateral fallopian tubes |
| N80219 | Superficial endometriosis of unspecified fallopian tube |
| N8022 | Deep endometriosis of the fallopian tube |
| N80221 | Deep endometriosis of right fallopian tube |
| N80222 | Deep endometriosis of left fallopian tube |
| N80223 | Deep endometriosis of bilateral fallopian tubes |
| N80229 | Deep endometriosis of unspecified fallopian tube |
| N803 | Endometriosis of pelvic peritoneum |
| N8030 | Endometriosis of pelvic peritoneum, unspecified |
| N8031 | Endometriosis of the anterior cul-de-sac |
| N80311 | Superficial endometriosis of the anterior cul-de-sac |
| N80312 | Deep endometriosis of the anterior cul-de-sac |
| N80319 | Endometriosis of the anterior cul-de-sac, unspecified depth |
| N8032 | Endometriosis of the posterior cul-de-sac |
| N80321 | Superficial endometriosis of the posterior cul-de-sac |
| N80322 | Deep endometriosis of the posterior cul-de-sac |
| N80329 | Endometriosis of the posterior cul-de-sac, unspecified depth Endometriosis of the posterior cul-de-sac, unspecified depth |
| N8033 | Superficial endometriosis of the pelvic sidewall |
| N80331 | Superficial endometriosis of the right pelvic sidewall |
| N80332 | Superficial endometriosis of the left pelvic sidewall |
| N80333 | Superficial endometriosis of bilateral pelvic sidewall |
| N80339 | Superficial endometriosis of pelvic sidewall, unspecified side |
| N8034 | Deep endometriosis of the pelvic sidewall |
| N80341 | Deep endometriosis of the right pelvic sidewall |
| N80342 | Deep endometriosis of the left pelvic sidewall |