| N80.20 | Endometriosis of fallopian tube, unspecified depth | NON-BILLABLE CODE |
| N80.201 | Endometriosis of right fallopian tube, unspecified depth | BILLABLE CODE |
| N80.202 | Endometriosis of left fallopian tube, unspecified depth | BILLABLE CODE |
| N80.203 | Endometriosis of bilateral fallopian tubes, unspecified depth | BILLABLE CODE |
| N80.209 | Endometriosis of unspecified fallopian tube, unspecified depth | BILLABLE CODE |
| N80.21 | Superficial endometriosis of fallopian tube | NON-BILLABLE CODE |
| N80.211 | Superficial endometriosis of right fallopian tube | BILLABLE CODE |
| N80.212 | Superficial endometriosis of left fallopian tube | BILLABLE CODE |
| N80.213 | Superficial endometriosis of bilateral fallopian tubes | BILLABLE CODE |
| N80.219 | Superficial endometriosis of unspecified fallopian tube | BILLABLE CODE |
| N80.22 | Deep endometriosis of the fallopian tube | NON-BILLABLE CODE |
| N80.221 | Deep endometriosis of right fallopian tube | BILLABLE CODE |
| N80.222 | Deep endometriosis of left fallopian tube | BILLABLE CODE |
| N80.223 | Deep endometriosis of bilateral fallopian tubes | BILLABLE CODE |
| N80.229 | Deep endometriosis of unspecified fallopian tube | BILLABLE CODE |
