ICD-10 · PDGM grouping
N80 Endometriosis
All 138 codes in the N80 family, with the PDGM clinical group, comorbidity subgroup and primary-position rule CMS assigns, read from the CMS grouper crosswalk v07.2.26 and the CDC FY2027 code file.
ICD-10-CM FY2027 · CMS grouper v07.2.26
Codes in family
138
Can lead a claim
138
Cannot lead a claim
0
What CMS assigns to N80
All 138 codes group to MMTA - Other (133) and MMTA - Gastrointestinal tract and Genitourinary system (5). None of the 138 is assigned a comorbidity subgroup. Every code can lead a claim.
Every code in N80
Descriptions are CDC’s FY2027 wording; where CMS’s grouper abbreviates one, its form is shown beneath.
| Code | Description | Primary position | Clinical group | Comorbidity subgroup |
|---|---|---|---|---|
| N80.0 Endometriosis of uterus | ||||
| N80.00 | Endometriosis of the uterus, unspecified | Can lead a claim | J | None |
| N80.01 | Superficial endometriosis of the uterus | Can lead a claim | J | None |
| N80.02 | Deep endometriosis of the uterus | Can lead a claim | J | None |
| N80.03 | Adenomyosis of the uterus | Can lead a claim | J | None |
| N80.1 Endometriosis of ovary | ||||
| N80.10 Endometriosis of ovary, unspecified depth | ||||
| N80.101 | Endometriosis of right ovary, unspecified depth | Can lead a claim | A | None |
| N80.102 | Endometriosis of left ovary, unspecified depth | Can lead a claim | A | None |
| N80.103 | Endometriosis of bilateral ovaries, unspecified depth | Can lead a claim | A | None |
| N80.109 | Endometriosis of ovary, unspecified side, unspecified depth | Can lead a claim | A | None |
| N80.11 Superficial endometriosis of the ovary | ||||
| N80.111 | Superficial endometriosis of right ovary | Can lead a claim | A | None |
| N80.112 | Superficial endometriosis of left ovary | Can lead a claim | A | None |
| N80.113 | Superficial endometriosis of bilateral ovaries | Can lead a claim | A | None |
| N80.119 | Superficial endometriosis of ovary, unspecified ovary | Can lead a claim | A | None |
| N80.12 Deep endometriosis of ovary | ||||
| N80.121 | Deep endometriosis of right ovary | Can lead a claim | A | None |
| N80.122 | Deep endometriosis of left ovary | Can lead a claim | A | None |
| N80.123 | Deep endometriosis of bilateral ovaries | Can lead a claim | A | None |
| N80.129 | Deep endometriosis of ovary, unspecified ovary | Can lead a claim | A | None |
| N80.2 Endometriosis of fallopian tube | ||||
| N80.20 Endometriosis of fallopian tube, unspecified depth | ||||
| N80.201 | Endometriosis of right fallopian tube, unspecified depth | Can lead a claim | A | None |
| N80.202 | Endometriosis of left fallopian tube, unspecified depth | Can lead a claim | A | None |
| N80.203 | Endometriosis of bilateral fallopian tubes, unspecified depthCMS: Endometriosis of bilateral fallops, unspecified depth | Can lead a claim | A | None |
| N80.209 | Endometriosis of unspecified fallopian tube, unspecified depthCMS: Endometriosis of unspecified fallop, unspecified depth | Can lead a claim | A | None |
| N80.21 Superficial endometriosis of fallopian tube | ||||
| N80.211 | Superficial endometriosis of right fallopian tube | Can lead a claim | A | None |
| N80.212 | Superficial endometriosis of left fallopian tube | Can lead a claim | A | None |
| N80.213 | Superficial endometriosis of bilateral fallopian tubes | Can lead a claim | A | None |
| N80.219 | Superficial endometriosis of unspecified fallopian tube | Can lead a claim | A | None |
| N80.22 Deep endometriosis of the fallopian tube | ||||
| N80.221 | Deep endometriosis of right fallopian tube | Can lead a claim | A | None |
| N80.222 | Deep endometriosis of left fallopian tube | Can lead a claim | A | None |
| N80.223 | Deep endometriosis of bilateral fallopian tubes | Can lead a claim | A | None |
| N80.229 | Deep endometriosis of unspecified fallopian tube | Can lead a claim | A | None |
| N80.3 Endometriosis of pelvic peritoneum | ||||
| N80.30 | Endometriosis of pelvic peritoneum, unspecified | Can lead a claim | A | None |
| N80.31 Endometriosis of the anterior cul-de-sac | ||||
| N80.311 | Superficial endometriosis of the anterior cul-de-sac | Can lead a claim | A | None |
| N80.312 | Deep endometriosis of the anterior cul-de-sac | Can lead a claim | A | None |
| N80.319 | Endometriosis of the anterior cul-de-sac, unspecified depth | Can lead a claim | A | None |
| N80.32 Endometriosis of the posterior cul-de-sac | ||||
| N80.321 | Superficial endometriosis of the posterior cul-de-sac | Can lead a claim | A | None |
| N80.322 | Deep endometriosis of the posterior cul-de-sac | Can lead a claim | A | None |
| N80.329 | Endometriosis of the posterior cul-de-sac, unspecified depth | Can lead a claim | A | None |
| N80.33 Superficial endometriosis of the pelvic sidewall | ||||
| N80.331 | Superficial endometriosis of the right pelvic sidewall | Can lead a claim | A | None |
| N80.332 | Superficial endometriosis of the left pelvic sidewall | Can lead a claim | A | None |
| N80.333 | Superficial endometriosis of bilateral pelvic sidewall | Can lead a claim | A | None |
| N80.339 | Superficial endometriosis of pelvic sidewall, unspecified sideCMS: Superfic endometriosis of pelvic sidewall, unspecified side | Can lead a claim | A | None |
| N80.34 Deep endometriosis of the pelvic sidewall | ||||
| N80.341 | Deep endometriosis of the right pelvic sidewall | Can lead a claim | A | None |
| N80.342 | Deep endometriosis of the left pelvic sidewall | Can lead a claim | A | None |
| N80.343 | Deep endometriosis of the bilateral pelvic sidewall | Can lead a claim | A | None |
| N80.349 | Deep endometriosis of the pelvic sidewall, unspecified side | Can lead a claim | A | None |
| N80.35 Endometriosis of the pelvic sidewall, unspecified depth | ||||
| N80.351 | Endometriosis of the right pelvic sidewall, unspecified depthCMS: Endometriosis of the right pelvic sidewall, unsp depth | Can lead a claim | A | None |
| N80.352 | Endometriosis of the left pelvic sidewall, unspecified depth | Can lead a claim | A | None |
| N80.353 | Endometriosis of bilateral pelvic sidewall, unspecified depthCMS: Endometriosis of bilateral pelvic sidewall, unsp depth | Can lead a claim | A | None |
| N80.359 | Endometriosis of pelvic sidewall, unspecified side, unspecified depthCMS: Endometriosis of pelvic sidewall, unsp side, unsp depth | Can lead a claim | A | None |
| N80.36 Superficial endometriosis of the pelvic brim | ||||
| N80.361 | Superficial endometriosis of the right pelvic brim | Can lead a claim | A | None |
| N80.362 | Superficial endometriosis of the left pelvic brim | Can lead a claim | A | None |
| N80.363 | Superficial endometriosis of bilateral pelvic brim | Can lead a claim | A | None |
| N80.369 | Superficial endometriosis of the pelvic brim, unspecified sideCMS: Superfic endometriosis of the pelvic brim, unspecified side | Can lead a claim | A | None |
| N80.37 Deep endometriosis of the pelvic brim | ||||
| N80.371 | Deep endometriosis of the right pelvic brim | Can lead a claim | A | None |
| N80.372 | Deep endometriosis of the left pelvic brim | Can lead a claim | A | None |
| N80.373 | Deep endometriosis of bilateral pelvic brim | Can lead a claim | A | None |
| N80.379 | Deep endometriosis of the pelvic brim, unspecified side | Can lead a claim | A | None |
| N80.38 Endometriosis of the pelvic brim, unspecified depth | ||||
| N80.381 | Endometriosis of the right pelvic brim, unspecified depth | Can lead a claim | A | None |
| N80.382 | Endometriosis of the left pelvic brim, unspecified depth | Can lead a claim | A | None |
| N80.383 | Endometriosis of bilateral pelvic brim, unspecified depth | Can lead a claim | A | None |
| N80.389 | Endometriosis of the pelvic brim, unspecified side, unspecified depthCMS: Endometriosis of the pelvic brim, unsp side, unsp depth | Can lead a claim | A | None |
| N80.3A Superficial endometriosis of the uterosacral ligament(s) | ||||
| N80.3A1 | Superficial endometriosis of the right uterosacral ligament | Can lead a claim | A | None |
| N80.3A2 | Superficial endometriosis of the left uterosacral ligament | Can lead a claim | A | None |
| N80.3A3 | Superficial endometriosis of the bilateral uterosacral ligament(s)CMS: Superfic endometriosis of the bi uterosacral ligament(s) | Can lead a claim | A | None |
| N80.3A9 | Superficial endometriosis of the uterosacral ligament(s), unspecified sideCMS: Superfic endometriosis of uterosacral ligmt(s), unsp side | Can lead a claim | A | None |
| N80.3B Deep endometriosis of the uterosacral ligament(s) | ||||
| N80.3B1 | Deep endometriosis of the right uterosacral ligament | Can lead a claim | A | None |
| N80.3B2 | Deep endometriosis of the left uterosacral ligament | Can lead a claim | A | None |
| N80.3B3 | Deep endometriosis of bilateral uterosacral ligament(s) | Can lead a claim | A | None |
| N80.3B9 | Deep endometriosis of the uterosacral ligament(s), unspecified sideCMS: Deep endometriosis of the uterosacral ligament(s), unsp side | Can lead a claim | A | None |
| N80.3C Endometriosis of the uterosacral ligament(s), unspecified depth | ||||
| N80.3C1 | Endometriosis of the right uterosacral ligament, unspecified depthCMS: Endometriosis of the right uterosacral ligament, unsp depth | Can lead a claim | A | None |
| N80.3C2 | Endometriosis of the left uterosacral ligament, unspecified depthCMS: Endometriosis of the left uterosacral ligament, unsp depth | Can lead a claim | A | None |
| N80.3C3 | Endometriosis of bilateral uterosacral ligament(s), unspecified depthCMS: Endometriosis of bi uterosacral ligament(s), unsp depth | Can lead a claim | A | None |
| N80.3C9 | Endometriosis of the uterosacral ligament(s), unspecified side, unspecified depthCMS: Endometriosis of uterosacral ligmt(s), unsp side, unsp depth | Can lead a claim | A | None |
| N80.39 Endometriosis of other pelvic peritoneum | ||||
| N80.391 | Superficial endometriosis of the pelvic peritoneum, other specified sitesCMS: Superfic endometriosis of the pelvic peritoneum, oth sites | Can lead a claim | A | None |
| N80.392 | Deep endometriosis of the pelvic peritoneum, other specified sitesCMS: Deep endometriosis of the pelvic peritoneum, oth sites | Can lead a claim | A | None |
| N80.399 | Endometriosis of the pelvic peritoneum, other specified sites, unspecified depthCMS: Endometriosis of pelvic peritoneum, oth sites, unsp depth | Can lead a claim | A | None |
| N80.4 Endometriosis of rectovaginal septum and vagina | ||||
| N80.40 | Endometriosis of rectovaginal septum, unspecified involvement of vaginaCMS: Endometriosis of rectovaginal septum, unsp invl of vagina | Can lead a claim | A | None |
| N80.41 | Endometriosis of rectovaginal septum without involvement of vaginaCMS: Endometriosis of rectovaginal septum without invl of vagina | Can lead a claim | A | None |
| N80.42 | Endometriosis of rectovaginal septum with involvement of vaginaCMS: Endometriosis of rectovaginal septum with invl of vagina | Can lead a claim | A | None |
| N80.5 Endometriosis of intestine | ||||
| N80.50 | Endometriosis of intestine, unspecified | Can lead a claim | A | None |
| N80.51 Endometriosis of the rectum | ||||
| N80.511 | Superficial endometriosis of the rectum | Can lead a claim | A | None |
| N80.512 | Deep endometriosis of the rectum | Can lead a claim | A | None |
| N80.519 | Endometriosis of the rectum, unspecified depth | Can lead a claim | A | None |
| N80.52 Endometriosis of the sigmoid colon | ||||
| N80.521 | Superficial endometriosis of the sigmoid colon | Can lead a claim | A | None |
| N80.522 | Deep endometriosis of the sigmoid colon | Can lead a claim | A | None |
| N80.529 | Endometriosis of the sigmoid colon, unspecified depth | Can lead a claim | A | None |
| N80.53 Endometriosis of the cecum | ||||
| N80.531 | Superficial endometriosis of the cecum | Can lead a claim | A | None |
| N80.532 | Deep endometriosis of the cecum | Can lead a claim | A | None |
| N80.539 | Endometriosis of the cecum, unspecified depth | Can lead a claim | A | None |
| N80.54 Endometriosis of the appendix | ||||
| N80.541 | Superficial endometriosis of the appendix | Can lead a claim | A | None |
| N80.542 | Deep endometriosis of the appendix | Can lead a claim | A | None |
| N80.549 | Endometriosis of the appendix, unspecified depth | Can lead a claim | A | None |
| N80.55 Endometriosis of other parts of the colon | ||||
| N80.551 | Superficial endometriosis of other parts of the colon | Can lead a claim | A | None |
| N80.552 | Deep endometriosis of other parts of the colon | Can lead a claim | A | None |
| N80.559 | Endometriosis of other parts of the colon, unspecified depth | Can lead a claim | A | None |
| N80.56 Endometriosis of the small intestine | ||||
| N80.561 | Superficial endometriosis of the small intestine | Can lead a claim | A | None |
| N80.562 | Deep endometriosis of the small intestine | Can lead a claim | A | None |
| N80.569 | Endometriosis of the small intestine, unspecified depth | Can lead a claim | A | None |
| N80.6 | Endometriosis in cutaneous scar | Can lead a claim | A | None |
| N80.A Endometriosis of bladder and ureters | ||||
| N80.A0 | Endometriosis of bladder, unspecified depth | Can lead a claim | A | None |
| N80.A1 | Superficial endometriosis of bladder | Can lead a claim | A | None |
| N80.A2 | Deep endometriosis of bladder | Can lead a claim | A | None |
| N80.A4 Superficial endometriosis of ureter | ||||
| N80.A41 | Superficial endometriosis of right ureter | Can lead a claim | A | None |
| N80.A42 | Superficial endometriosis of left ureter | Can lead a claim | A | None |
| N80.A43 | Superficial endometriosis of bilateral ureters | Can lead a claim | A | None |
| N80.A49 | Superficial endometriosis of unspecified ureter | Can lead a claim | A | None |
| N80.A5 Deep endometriosis of ureter | ||||
| N80.A51 | Deep endometriosis of right ureter | Can lead a claim | A | None |
| N80.A52 | Deep endometriosis of left ureter | Can lead a claim | A | None |
| N80.A53 | Deep endometriosis of bilateral ureters | Can lead a claim | A | None |
| N80.A59 | Deep endometriosis of unspecified ureter | Can lead a claim | A | None |
| N80.A6 Endometriosis of ureter, unspecified depth | ||||
| N80.A61 | Endometriosis of right ureter, unspecified depth | Can lead a claim | A | None |
| N80.A62 | Endometriosis of left ureter, unspecified depth | Can lead a claim | A | None |
| N80.A63 | Endometriosis of bilateral ureters, unspecified depth | Can lead a claim | A | None |
| N80.A69 | Endometriosis of unspecified ureter, unspecified depth | Can lead a claim | A | None |
| N80.B Endometriosis of cardiothoracic space | ||||
| N80.B1 | Endometriosis of pleura | Can lead a claim | A | None |
| N80.B2 | Endometriosis of lung | Can lead a claim | A | None |
| N80.B3 Endometriosis of diaphragm | ||||
| N80.B31 | Superficial endometriosis of diaphragm | Can lead a claim | A | None |
| N80.B32 | Deep endometriosis of diaphragm | Can lead a claim | A | None |
| N80.B39 | Endometriosis of diaphragm, unspecified depth | Can lead a claim | A | None |
| N80.B4 | Endometriosis of the pericardial space | Can lead a claim | A | None |
| N80.B5 | Endometriosis of the mediastinal space | Can lead a claim | A | None |
| N80.B6 | Endometriosis of cardiothoracic space | Can lead a claim | A | None |
| N80.C Endometriosis of the abdomen | ||||
| N80.C0 | Endometriosis of the abdomen, unspecified | Can lead a claim | A | None |
| N80.C1 Endometriosis of the anterior abdominal wall | ||||
| N80.C10 | Endometriosis of the anterior abdominal wall, subcutaneous tissueCMS: Endometriosis of the anterior abd wall, subcutaneous tissue | Can lead a claim | A | None |
| N80.C11 | Endometriosis of the anterior abdominal wall, fascia and muscular layersCMS: Endometriosis of ant abd wall, fascia and muscular layers | Can lead a claim | A | None |
| N80.C19 | Endometriosis of the anterior abdominal wall, unspecified depthCMS: Endometriosis of the anterior abd wall, unspecified depth | Can lead a claim | A | None |
| N80.C2 | Endometriosis of the umbilicus | Can lead a claim | A | None |
| N80.C3 | Endometriosis of the inguinal canal | Can lead a claim | A | None |
| N80.C4 | Endometriosis of extra-pelvic abdominal peritoneum | Can lead a claim | A | None |
| N80.C9 | Endometriosis of other site of abdomen | Can lead a claim | A | None |
| N80.D Endometriosis of the pelvic nerves | ||||
| N80.D0 | Endometriosis of the pelvic nerves, unspecified | Can lead a claim | A | None |
| N80.D1 | Endometriosis of the sacral splanchnic nerves | Can lead a claim | A | None |
| N80.D2 | Endometriosis of the sacral nerve roots | Can lead a claim | A | None |
| N80.D3 | Endometriosis of the obturator nerve | Can lead a claim | A | None |
| N80.D4 | Endometriosis of the sciatic nerve | Can lead a claim | A | None |
| N80.D5 | Endometriosis of the pudendal nerve | Can lead a claim | A | None |
| N80.D6 | Endometriosis of the femoral nerve | Can lead a claim | A | None |
| N80.D9 | Endometriosis of other pelvic nerve | Can lead a claim | A | None |
| N80.8 | Other endometriosis | Can lead a claim | A | None |
| N80.9 | Endometriosis, unspecified | Can lead a claim | J | None |
Sources: CMS HH PPS Grouper Software v07.2.26, effective 2026-10-01, for the clinical group, comorbidity subgroup, code-first conventions and primary-position flags; CDC NCHS ICD-10-CM FY2027 code descriptions for the family title and code wording. This is the crosswalk Medicare runs a claim through. Grouping also depends on admission source, timing, the OASIS functional items and the rest of the diagnosis list.
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