All ICD10 Codes
Chapter 14

N00–N99: Diseases of the Genitourinary System

Diseases of the Genitourinary System diagnostic classification updated for 2026.

Chapter Instructions

Excludes2(Not included here. Code separately if applicable.)
  • certain conditions originating in the perinatal period (P04-P96)
  • certain infectious and parasitic diseases (A00-B99)
  • complications of pregnancy, childbirth and the puerperium (O00-O9A)
  • congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)
  • endocrine, nutritional and metabolic diseases (E00-E88)
  • injury, poisoning and certain other consequences of external causes (S00-T88)
  • neoplasms (C00-D49)
  • symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
All CodesBillable Only
Internal Codes
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  • N80.382—

    Endometriosis of the left pelvic brim, unspecified depth

  • N80.383—

    Endometriosis of bilateral pelvic brim, unspecified depth

  • N80.389—

    Endometriosis of the pelvic brim, unspecified side, unspecified depth

  • N80.391—

    Superficial endometriosis of the pelvic peritoneum, other specified sites

  • N80.392—

    Deep endometriosis of the pelvic peritoneum, other specified sites

  • N80.399—

    Endometriosis of the pelvic peritoneum, other specified sites, unspecified depth

  • N80.3A1—

    Superficial endometriosis of the right uterosacral ligament

  • N80.3A2—

    Superficial endometriosis of the left uterosacral ligament

  • N80.3A3—

    Superficial endometriosis of the bilateral uterosacral ligament(s)

  • N80.3A9—

    Superficial endometriosis of the uterosacral ligament(s), unspecified side

  • N80.3B1—

    Deep endometriosis of the right uterosacral ligament

  • N80.3B2—

    Deep endometriosis of the left uterosacral ligament

  • N80.3B3—

    Deep endometriosis of bilateral uterosacral ligament(s)

  • N80.3B9—

    Deep endometriosis of the uterosacral ligament(s), unspecified side

  • N80.3C1—

    Endometriosis of the right uterosacral ligament, unspecified depth

  • N80.3C2—

    Endometriosis of the left uterosacral ligament, unspecified depth

  • N80.3C3—

    Endometriosis of bilateral uterosacral ligament(s), unspecified depth

  • N80.3C9—

    Endometriosis of the uterosacral ligament(s), unspecified side, unspecified depth

  • N80.40—

    Endometriosis of rectovaginal septum, unspecified involvement of vagina

  • N80.41—

    Endometriosis of rectovaginal septum without involvement of vagina

  • N80.42—

    Endometriosis of rectovaginal septum with involvement of vagina

  • N80.50—

    Endometriosis of intestine, unspecified

  • N80.511—

    Superficial endometriosis of the rectum

  • N80.512—

    Deep endometriosis of the rectum

  • N80.519—

    Endometriosis of the rectum, unspecified depth

  • N80.521—

    Superficial endometriosis of the sigmoid colon

  • N80.522—

    Deep endometriosis of the sigmoid colon

  • N80.529—

    Endometriosis of the sigmoid colon, unspecified depth

  • N80.531—

    Superficial endometriosis of the cecum

  • N80.532—

    Deep endometriosis of the cecum

  • N80.539—

    Endometriosis of the cecum, unspecified depth

  • N80.541—

    Superficial endometriosis of the appendix

  • N80.542—

    Deep endometriosis of the appendix

  • N80.549—

    Endometriosis of the appendix, unspecified depth

  • N80.551—

    Superficial endometriosis of other parts of the colon

  • N80.552—

    Deep endometriosis of other parts of the colon

  • N80.559—

    Endometriosis of other parts of the colon, unspecified depth

  • N80.561—

    Superficial endometriosis of the small intestine

  • N80.562—

    Deep endometriosis of the small intestine

  • N80.569—

    Endometriosis of the small intestine, unspecified depth

  • N80.6—

    Endometriosis in cutaneous scar

  • N80.8—

    Other endometriosis

  • N80.9—

    Endometriosis, unspecified

  • N80.A0—

    Endometriosis of bladder, unspecified depth

  • N80.A1—

    Superficial endometriosis of bladder

  • N80.A2—

    Deep endometriosis of bladder

  • N80.A41—

    Superficial endometriosis of right ureter

  • N80.A42—

    Superficial endometriosis of left ureter

  • N80.A43—

    Superficial endometriosis of bilateral ureters

  • N80.A49—

    Superficial endometriosis of unspecified ureter

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