ICD-10-CM · Chapter 14 · N00-N99
N80 Endometriosis
Subcodes
Subcodes are listed below for reference. Detail pages are not available for chapters 11–22.
| Code | Description | Billable |
|---|---|---|
| N80..0 | Endometriosis of uterus | No |
| N80..00 | Endometriosis of the uterus, unspecified | Yes |
| N80..01 | Superficial endometriosis of the uterus | Yes |
| N80..02 | Deep endometriosis of the uterus | Yes |
| N80..03 | Adenomyosis of the uterus | Yes |
| N80..1 | Endometriosis of ovary | No |
| N80..10 | Endometriosis of ovary, unspecified depth | No |
| N80..101 | Endometriosis of right ovary, unspecified depth | Yes |
| N80..102 | Endometriosis of left ovary, unspecified depth | Yes |
| N80..103 | Endometriosis of bilateral ovaries, unspecified depth | Yes |
| N80..109 | Endometriosis of ovary, unspecified side, unspecified depth | Yes |
| N80..11 | Superficial endometriosis of the ovary | No |
| N80..111 | Superficial endometriosis of right ovary | Yes |
| N80..112 | Superficial endometriosis of left ovary | Yes |
| N80..113 | Superficial endometriosis of bilateral ovaries | Yes |
| N80..119 | Superficial endometriosis of ovary, unspecified ovary | Yes |
| N80..12 | Deep endometriosis of ovary | No |
| N80..121 | Deep endometriosis of right ovary | Yes |
| N80..122 | Deep endometriosis of left ovary | Yes |
| N80..123 | Deep endometriosis of bilateral ovaries | Yes |
| N80..129 | Deep endometriosis of ovary, unspecified ovary | Yes |
| N80..2 | Endometriosis of fallopian tube | No |
| N80..20 | Endometriosis of fallopian tube, unspecified depth | No |
| N80..201 | Endometriosis of right fallopian tube, unspecified depth | Yes |
| N80..202 | Endometriosis of left fallopian tube, unspecified depth | Yes |
| N80..203 | Endometriosis of bilateral fallopian tubes, unspecified depth | Yes |
| N80..209 | Endometriosis of unspecified fallopian tube, unspecified depth | Yes |
| N80..21 | Superficial endometriosis of fallopian tube | No |
| N80..211 | Superficial endometriosis of right fallopian tube | Yes |
| N80..212 | Superficial endometriosis of left fallopian tube | Yes |
| N80..213 | Superficial endometriosis of bilateral fallopian tubes | Yes |
| N80..219 | Superficial endometriosis of unspecified fallopian tube | Yes |
| N80..22 | Deep endometriosis of the fallopian tube | No |
| N80..221 | Deep endometriosis of right fallopian tube | Yes |
| N80..222 | Deep endometriosis of left fallopian tube | Yes |
| N80..223 | Deep endometriosis of bilateral fallopian tubes | Yes |
| N80..229 | Deep endometriosis of unspecified fallopian tube | Yes |
| N80..3 | Endometriosis of pelvic peritoneum | No |
| N80..30 | Endometriosis of pelvic peritoneum, unspecified | Yes |
| N80..31 | Endometriosis of the anterior cul-de-sac | No |
| N80..311 | Superficial endometriosis of the anterior cul-de-sac | Yes |
| N80..312 | Deep endometriosis of the anterior cul-de-sac | Yes |
| N80..319 | Endometriosis of the anterior cul-de-sac, unspecified depth | Yes |
| N80..32 | Endometriosis of the posterior cul-de-sac | No |
| N80..321 | Superficial endometriosis of the posterior cul-de-sac | Yes |
| N80..322 | Deep endometriosis of the posterior cul-de-sac | Yes |
| N80..329 | Endometriosis of the posterior cul-de-sac, unspecified depth | Yes |
| N80..33 | Superficial endometriosis of the pelvic sidewall | No |
| N80..331 | Superficial endometriosis of the right pelvic sidewall | Yes |
| N80..332 | Superficial endometriosis of the left pelvic sidewall | Yes |
| N80..333 | Superficial endometriosis of bilateral pelvic sidewall | Yes |
| N80..339 | Superficial endometriosis of pelvic sidewall, unspecified side | Yes |
| N80..34 | Deep endometriosis of the pelvic sidewall | No |
| N80..341 | Deep endometriosis of the right pelvic sidewall | Yes |
| N80..342 | Deep endometriosis of the left pelvic sidewall | Yes |
| N80..343 | Deep endometriosis of the bilateral pelvic sidewall | Yes |
| N80..349 | Deep endometriosis of the pelvic sidewall, unspecified side | Yes |
| N80..35 | Endometriosis of the pelvic sidewall, unspecified depth | No |
| N80..351 | Endometriosis of the right pelvic sidewall, unspecified depth | Yes |
| N80..352 | Endometriosis of the left pelvic sidewall, unspecified depth | Yes |
| N80..353 | Endometriosis of bilateral pelvic sidewall, unspecified depth | Yes |
| N80..359 | Endometriosis of pelvic sidewall, unspecified side, unspecified depth | Yes |
| N80..36 | Superficial endometriosis of the pelvic brim | No |
| N80..361 | Superficial endometriosis of the right pelvic brim | Yes |
| N80..362 | Superficial endometriosis of the left pelvic brim | Yes |
| N80..363 | Superficial endometriosis of bilateral pelvic brim | Yes |
| N80..369 | Superficial endometriosis of the pelvic brim, unspecified side | Yes |
| N80..37 | Deep endometriosis of the pelvic brim | No |
| N80..371 | Deep endometriosis of the right pelvic brim | Yes |
| N80..372 | Deep endometriosis of the left pelvic brim | Yes |
| N80..373 | Deep endometriosis of bilateral pelvic brim | Yes |
| N80..379 | Deep endometriosis of the pelvic brim, unspecified side | Yes |
| N80..38 | Endometriosis of the pelvic brim, unspecified depth | No |
| N80..381 | Endometriosis of the right pelvic brim, unspecified depth | Yes |
| N80..382 | Endometriosis of the left pelvic brim, unspecified depth | Yes |
| N80..383 | Endometriosis of bilateral pelvic brim, unspecified depth | Yes |
| N80..389 | Endometriosis of the pelvic brim, unspecified side, unspecified depth | Yes |
| N80..3A | Superficial endometriosis of the uterosacral ligament(s) | No |
| N80..3A1 | Superficial endometriosis of the right uterosacral ligament | Yes |
| N80..3A2 | Superficial endometriosis of the left uterosacral ligament | Yes |
| N80..3A3 | Superficial endometriosis of the bilateral uterosacral ligament(s) | Yes |
| N80..3A9 | Superficial endometriosis of the uterosacral ligament(s), unspecified side | Yes |
| N80..3B | Deep endometriosis of the uterosacral ligament(s) | No |
| N80..3B1 | Deep endometriosis of the right uterosacral ligament | Yes |
| N80..3B2 | Deep endometriosis of the left uterosacral ligament | Yes |
| N80..3B3 | Deep endometriosis of bilateral uterosacral ligament(s) | Yes |
| N80..3B9 | Deep endometriosis of the uterosacral ligament(s), unspecified side | Yes |
| N80..3C | Endometriosis of the uterosacral ligament(s), unspecified depth | No |
| N80..3C1 | Endometriosis of the right uterosacral ligament, unspecified depth | Yes |
| N80..3C2 | Endometriosis of the left uterosacral ligament, unspecified depth | Yes |
| N80..3C3 | Endometriosis of bilateral uterosacral ligament(s), unspecified depth | Yes |
| N80..3C9 | Endometriosis of the uterosacral ligament(s), unspecified side, unspecified depth | Yes |
| N80..39 | Endometriosis of other pelvic peritoneum | No |
| N80..391 | Superficial endometriosis of the pelvic peritoneum, other specified sites | Yes |
| N80..392 | Deep endometriosis of the pelvic peritoneum, other specified sites | Yes |
| N80..399 | Endometriosis of the pelvic peritoneum, other specified sites, unspecified depth | Yes |
| N80..4 | Endometriosis of rectovaginal septum and vagina | No |
| N80..40 | Endometriosis of rectovaginal septum, unspecified involvement of vagina | Yes |
| N80..41 | Endometriosis of rectovaginal septum without involvement of vagina | Yes |
| N80..42 | Endometriosis of rectovaginal septum with involvement of vagina | Yes |
| N80..5 | Endometriosis of intestine | No |
| N80..50 | Endometriosis of intestine, unspecified | Yes |
| N80..51 | Endometriosis of the rectum | No |
| N80..511 | Superficial endometriosis of the rectum | Yes |
| N80..512 | Deep endometriosis of the rectum | Yes |
| N80..519 | Endometriosis of the rectum, unspecified depth | Yes |
| N80..52 | Endometriosis of the sigmoid colon | No |
| N80..521 | Superficial endometriosis of the sigmoid colon | Yes |
| N80..522 | Deep endometriosis of the sigmoid colon | Yes |
| N80..529 | Endometriosis of the sigmoid colon, unspecified depth | Yes |
| N80..53 | Endometriosis of the cecum | No |
| N80..531 | Superficial endometriosis of the cecum | Yes |
| N80..532 | Deep endometriosis of the cecum | Yes |
| N80..539 | Endometriosis of the cecum, unspecified depth | Yes |
| N80..54 | Endometriosis of the appendix | No |
| N80..541 | Superficial endometriosis of the appendix | Yes |
| N80..542 | Deep endometriosis of the appendix | Yes |
| N80..549 | Endometriosis of the appendix, unspecified depth | Yes |
| N80..55 | Endometriosis of other parts of the colon | No |
| N80..551 | Superficial endometriosis of other parts of the colon | Yes |
| N80..552 | Deep endometriosis of other parts of the colon | Yes |
| N80..559 | Endometriosis of other parts of the colon, unspecified depth | Yes |
| N80..56 | Endometriosis of the small intestine | No |
| N80..561 | Superficial endometriosis of the small intestine | Yes |
| N80..562 | Deep endometriosis of the small intestine | Yes |
| N80..569 | Endometriosis of the small intestine, unspecified depth | Yes |
| N80..6 | Endometriosis in cutaneous scar | Yes |
| N80..A | Endometriosis of bladder and ureters | No |
| N80..A0 | Endometriosis of bladder, unspecified depth | Yes |
| N80..A1 | Superficial endometriosis of bladder | Yes |
| N80..A2 | Deep endometriosis of bladder | Yes |
| N80..A4 | Superficial endometriosis of ureter | No |
| N80..A41 | Superficial endometriosis of right ureter | Yes |
| N80..A42 | Superficial endometriosis of left ureter | Yes |
| N80..A43 | Superficial endometriosis of bilateral ureters | Yes |
| N80..A49 | Superficial endometriosis of unspecified ureter | Yes |
| N80..A5 | Deep endometriosis of ureter | No |
| N80..A51 | Deep endometriosis of right ureter | Yes |
| N80..A52 | Deep endometriosis of left ureter | Yes |
| N80..A53 | Deep endometriosis of bilateral ureters | Yes |
| N80..A59 | Deep endometriosis of unspecified ureter | Yes |
| N80..A6 | Endometriosis of ureter, unspecified depth | No |
| N80..A61 | Endometriosis of right ureter, unspecified depth | Yes |
| N80..A62 | Endometriosis of left ureter, unspecified depth | Yes |
| N80..A63 | Endometriosis of bilateral ureters, unspecified depth | Yes |
| N80..A69 | Endometriosis of unspecified ureter, unspecified depth | Yes |
| N80..B | Endometriosis of cardiothoracic space | No |
| N80..B1 | Endometriosis of pleura | Yes |
| N80..B2 | Endometriosis of lung | Yes |
| N80..B3 | Endometriosis of diaphragm | No |
| N80..B31 | Superficial endometriosis of diaphragm | Yes |
| N80..B32 | Deep endometriosis of diaphragm | Yes |
| N80..B39 | Endometriosis of diaphragm, unspecified depth | Yes |
| N80..B4 | Endometriosis of the pericardial space | Yes |
| N80..B5 | Endometriosis of the mediastinal space | Yes |
| N80..B6 | Endometriosis of cardiothoracic space | Yes |
| N80..C | Endometriosis of the abdomen | No |
| N80..C0 | Endometriosis of the abdomen, unspecified | Yes |
| N80..C1 | Endometriosis of the anterior abdominal wall | No |
| N80..C10 | Endometriosis of the anterior abdominal wall, subcutaneous tissue | Yes |
| N80..C11 | Endometriosis of the anterior abdominal wall, fascia and muscular layers | Yes |
| N80..C19 | Endometriosis of the anterior abdominal wall, unspecified depth | Yes |
| N80..C2 | Endometriosis of the umbilicus | Yes |
| N80..C3 | Endometriosis of the inguinal canal | Yes |
| N80..C4 | Endometriosis of extra-pelvic abdominal peritoneum | Yes |
| N80..C9 | Endometriosis of other site of abdomen | Yes |
| N80..D | Endometriosis of the pelvic nerves | No |
| N80..D0 | Endometriosis of the pelvic nerves, unspecified | Yes |
| N80..D1 | Endometriosis of the sacral splanchnic nerves | Yes |
| N80..D2 | Endometriosis of the sacral nerve roots | Yes |
| N80..D3 | Endometriosis of the obturator nerve | Yes |
| N80..D4 | Endometriosis of the sciatic nerve | Yes |
| N80..D5 | Endometriosis of the pudendal nerve | Yes |
| N80..D6 | Endometriosis of the femoral nerve | Yes |
| N80..D9 | Endometriosis of other pelvic nerve | Yes |
| N80..8 | Other endometriosis | Yes |
| N80..9 | Endometriosis, unspecified | Yes |
Plain-language term for this code
The following entry in the US Medical Glossary corresponds to ICD-10-CM category N80:
- Endometriosis — Endometriosis
Last reviewed: September 2026