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N80 Endometriosis

ICD-10-CM category N80 sits in Chapter 14 (Diseases of the genitourinary system, N00-N99). It contains 138 billable codes for FY2027, effective October 1, 2026 to September 30, 2027. Always code to the most specific code available: a code with more characters that describes the diagnosis more precisely takes priority over a shorter one.

Subcategories

N80.0 Endometriosis of uterusN80.1 Endometriosis of ovaryN80.10 Endometriosis of ovary, unspecified depthN80.11 Superficial endometriosis of the ovaryN80.12 Deep endometriosis of ovaryN80.2 Endometriosis of fallopian tubeN80.20 Endometriosis of fallopian tube, unspecified depthN80.21 Superficial endometriosis of fallopian tubeN80.22 Deep endometriosis of the fallopian tubeN80.3 Endometriosis of pelvic peritoneumN80.31 Endometriosis of the anterior cul-de-sacN80.32 Endometriosis of the posterior cul-de-sacN80.33 Superficial endometriosis of the pelvic sidewallN80.34 Deep endometriosis of the pelvic sidewallN80.35 Endometriosis of the pelvic sidewall, unspecified depthN80.36 Superficial endometriosis of the pelvic brimN80.37 Deep endometriosis of the pelvic brimN80.38 Endometriosis of the pelvic brim, unspecified depthN80.39 Endometriosis of other pelvic peritoneumN80.3A Superficial endometriosis of the uterosacral ligament(s)N80.3B Deep endometriosis of the uterosacral ligament(s)N80.3C Endometriosis of the uterosacral ligament(s), unsp depthN80.4 Endometriosis of rectovaginal septum and vaginaN80.5 Endometriosis of intestineN80.51 Endometriosis of the rectumN80.52 Endometriosis of the sigmoid colonN80.53 Endometriosis of the cecumN80.54 Endometriosis of the appendixN80.55 Endometriosis of other parts of the colonN80.56 Endometriosis of the small intestineN80.A Endometriosis of bladder and uretersN80.A4 Superficial endometriosis of ureterN80.A5 Deep endometriosis of ureterN80.A6 Endometriosis of ureter, unspecified depthN80.B Endometriosis of cardiothoracic spaceN80.B3 Endometriosis of diaphragmN80.C Endometriosis of the abdomenN80.C1 Endometriosis of the anterior abdominal wallN80.D Endometriosis of the pelvic nerves

Billable codes in N80

CodeDescription
N80.00Endometriosis of the uterus, unspecified
N80.01Superficial endometriosis of the uterus
N80.02Deep endometriosis of the uterus
N80.03Adenomyosis of the uterus
N80.101Endometriosis of right ovary, unspecified depth
N80.102Endometriosis of left ovary, unspecified depth
N80.103Endometriosis of bilateral ovaries, unspecified depth
N80.109Endometriosis of ovary, unspecified side, unspecified depth
N80.111Superficial endometriosis of right ovary
N80.112Superficial endometriosis of left ovary
N80.113Superficial endometriosis of bilateral ovaries
N80.119Superficial endometriosis of ovary, unspecified ovary
N80.121Deep endometriosis of right ovary
N80.122Deep endometriosis of left ovary
N80.123Deep endometriosis of bilateral ovaries
N80.129Deep endometriosis of ovary, unspecified ovary
N80.201Endometriosis of right fallopian tube, unspecified depth
N80.202Endometriosis of left fallopian tube, unspecified depth
N80.203Endometriosis of bilateral fallopian tubes, unspecified depth
N80.209Endometriosis of unspecified fallopian tube, unspecified depth
N80.211Superficial endometriosis of right fallopian tube
N80.212Superficial endometriosis of left fallopian tube
N80.213Superficial endometriosis of bilateral fallopian tubes
N80.219Superficial endometriosis of unspecified fallopian tube
N80.221Deep endometriosis of right fallopian tube
N80.222Deep endometriosis of left fallopian tube
N80.223Deep endometriosis of bilateral fallopian tubes
N80.229Deep endometriosis of unspecified fallopian tube
N80.30Endometriosis of pelvic peritoneum, unspecified
N80.311Superficial endometriosis of the anterior cul-de-sac
N80.312Deep endometriosis of the anterior cul-de-sac
N80.319Endometriosis of the anterior cul-de-sac, unspecified depth
N80.321Superficial endometriosis of the posterior cul-de-sac
N80.322Deep endometriosis of the posterior cul-de-sac
N80.329Endometriosis of the posterior cul-de-sac, unspecified depth
N80.331Superficial endometriosis of the right pelvic sidewall
N80.332Superficial endometriosis of the left pelvic sidewall
N80.333Superficial endometriosis of bilateral pelvic sidewall
N80.339Superficial endometriosis of pelvic sidewall, unspecified side
N80.341Deep endometriosis of the right pelvic sidewall
N80.342Deep endometriosis of the left pelvic sidewall
N80.343Deep endometriosis of the bilateral pelvic sidewall
N80.349Deep endometriosis of the pelvic sidewall, unspecified side
N80.351Endometriosis of the right pelvic sidewall, unspecified depth
N80.352Endometriosis of the left pelvic sidewall, unspecified depth
N80.353Endometriosis of bilateral pelvic sidewall, unspecified depth
N80.359Endometriosis of pelvic sidewall, unspecified side, unspecified depth
N80.361Superficial endometriosis of the right pelvic brim
N80.362Superficial endometriosis of the left pelvic brim
N80.363Superficial endometriosis of bilateral pelvic brim
N80.369Superficial endometriosis of the pelvic brim, unspecified side
N80.371Deep endometriosis of the right pelvic brim
N80.372Deep endometriosis of the left pelvic brim
N80.373Deep endometriosis of bilateral pelvic brim
N80.379Deep endometriosis of the pelvic brim, unspecified side
N80.381Endometriosis of the right pelvic brim, unspecified depth
N80.382Endometriosis of the left pelvic brim, unspecified depth
N80.383Endometriosis of bilateral pelvic brim, unspecified depth
N80.389Endometriosis of the pelvic brim, unspecified side, unspecified depth
N80.391Superficial endometriosis of the pelvic peritoneum, other specified sites
N80.392Deep endometriosis of the pelvic peritoneum, other specified sites
N80.399Endometriosis of the pelvic peritoneum, other specified sites, unspecified depth
N80.3A1Superficial endometriosis of the right uterosacral ligament
N80.3A2Superficial endometriosis of the left uterosacral ligament
N80.3A3Superficial endometriosis of the bilateral uterosacral ligament(s)
N80.3A9Superficial endometriosis of the uterosacral ligament(s), unspecified side
N80.3B1Deep endometriosis of the right uterosacral ligament
N80.3B2Deep endometriosis of the left uterosacral ligament
N80.3B3Deep endometriosis of bilateral uterosacral ligament(s)
N80.3B9Deep endometriosis of the uterosacral ligament(s), unspecified side
N80.3C1Endometriosis of the right uterosacral ligament, unspecified depth
N80.3C2Endometriosis of the left uterosacral ligament, unspecified depth
N80.3C3Endometriosis of bilateral uterosacral ligament(s), unspecified depth
N80.3C9Endometriosis of the uterosacral ligament(s), unspecified side, unspecified depth
N80.40Endometriosis of rectovaginal septum, unspecified involvement of vagina
N80.41Endometriosis of rectovaginal septum without involvement of vagina
N80.42Endometriosis of rectovaginal septum with involvement of vagina
N80.50Endometriosis of intestine, unspecified
N80.511Superficial endometriosis of the rectum
N80.512Deep endometriosis of the rectum
N80.519Endometriosis of the rectum, unspecified depth
N80.521Superficial endometriosis of the sigmoid colon
N80.522Deep endometriosis of the sigmoid colon
N80.529Endometriosis of the sigmoid colon, unspecified depth
N80.531Superficial endometriosis of the cecum
N80.532Deep endometriosis of the cecum
N80.539Endometriosis of the cecum, unspecified depth
N80.541Superficial endometriosis of the appendix
N80.542Deep endometriosis of the appendix
N80.549Endometriosis of the appendix, unspecified depth
N80.551Superficial endometriosis of other parts of the colon
N80.552Deep endometriosis of other parts of the colon
N80.559Endometriosis of other parts of the colon, unspecified depth
N80.561Superficial endometriosis of the small intestine
N80.562Deep endometriosis of the small intestine
N80.569Endometriosis of the small intestine, unspecified depth
N80.6Endometriosis in cutaneous scar
N80.8Other endometriosis
N80.9Endometriosis, unspecified
N80.A0Endometriosis of bladder, unspecified depth
N80.A1Superficial endometriosis of bladder
N80.A2Deep endometriosis of bladder
N80.A41Superficial endometriosis of right ureter
N80.A42Superficial endometriosis of left ureter
N80.A43Superficial endometriosis of bilateral ureters
N80.A49Superficial endometriosis of unspecified ureter
N80.A51Deep endometriosis of right ureter
N80.A52Deep endometriosis of left ureter
N80.A53Deep endometriosis of bilateral ureters
N80.A59Deep endometriosis of unspecified ureter
N80.A61Endometriosis of right ureter, unspecified depth
N80.A62Endometriosis of left ureter, unspecified depth
N80.A63Endometriosis of bilateral ureters, unspecified depth
N80.A69Endometriosis of unspecified ureter, unspecified depth
N80.B1Endometriosis of pleura
N80.B2Endometriosis of lung
N80.B31Superficial endometriosis of diaphragm
N80.B32Deep endometriosis of diaphragm
N80.B39Endometriosis of diaphragm, unspecified depth
N80.B4Endometriosis of the pericardial space
N80.B5Endometriosis of the mediastinal space
N80.B6Endometriosis of cardiothoracic space
N80.C0Endometriosis of the abdomen, unspecified
N80.C10Endometriosis of the anterior abdominal wall, subcutaneous tissue
N80.C11Endometriosis of the anterior abdominal wall, fascia and muscular layers
N80.C19Endometriosis of the anterior abdominal wall, unspecified depth
N80.C2Endometriosis of the umbilicus
N80.C3Endometriosis of the inguinal canal
N80.C4Endometriosis of extra-pelvic abdominal peritoneum
N80.C9Endometriosis of other site of abdomen
N80.D0Endometriosis of the pelvic nerves, unspecified
N80.D1Endometriosis of the sacral splanchnic nerves
N80.D2Endometriosis of the sacral nerve roots
N80.D3Endometriosis of the obturator nerve
N80.D4Endometriosis of the sciatic nerve
N80.D5Endometriosis of the pudendal nerve
N80.D6Endometriosis of the femoral nerve
N80.D9Endometriosis of other pelvic nerve

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