All ICD10 Codes
Chapter 11

K00–K95: Diseases of the Digestive System

Diseases of the Digestive 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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  • K41.90|

    Unilateral femoral hernia, without obstruction or gangrene, not specified as recurrent

  • K41.91|

    Unilateral femoral hernia, without obstruction or gangrene, recurrent

  • K42.0|

    Umbilical hernia with obstruction, without gangrene

  • K42.1|

    Umbilical hernia with gangrene

  • K42.9|

    Umbilical hernia without obstruction or gangrene

  • K43.0|

    Incisional hernia with obstruction, without gangrene

  • K43.1|

    Incisional hernia with gangrene

  • K43.2|

    Incisional hernia without obstruction or gangrene

  • K43.3|

    Parastomal hernia with obstruction, without gangrene

  • K43.4|

    Parastomal hernia with gangrene

  • K43.5|

    Parastomal hernia without obstruction or gangrene

  • K43.6|

    Other and unspecified ventral hernia with obstruction, without gangrene

  • K43.7|

    Other and unspecified ventral hernia with gangrene

  • K43.9|

    Ventral hernia without obstruction or gangrene

  • K44.0|

    Diaphragmatic hernia with obstruction, without gangrene

  • K44.1|

    Diaphragmatic hernia with gangrene

  • K44.9|

    Diaphragmatic hernia without obstruction or gangrene

  • K45.0|

    Other specified abdominal hernia with obstruction, without gangrene

  • K45.1|

    Other specified abdominal hernia with gangrene

  • K45.8|

    Other specified abdominal hernia without obstruction or gangrene

  • K46.0|

    Unspecified abdominal hernia with obstruction, without gangrene

  • K46.1|

    Unspecified abdominal hernia with gangrene

  • K46.9|

    Unspecified abdominal hernia without obstruction or gangrene

  • K50.00|

    Crohn's disease of small intestine without complications

  • K50.011|

    Crohn's disease of small intestine with rectal bleeding

  • K50.012|

    Crohn's disease of small intestine with intestinal obstruction

  • K50.013|

    Crohn's disease of small intestine with fistula

  • K50.014|

    Crohn's disease of small intestine with abscess

  • K50.018|

    Crohn's disease of small intestine with other complication

  • K50.019|

    Crohn's disease of small intestine with unspecified complications

  • K50.10|

    Crohn's disease of large intestine without complications

  • K50.111|

    Crohn's disease of large intestine with rectal bleeding

  • K50.112|

    Crohn's disease of large intestine with intestinal obstruction

  • K50.113|

    Crohn's disease of large intestine with fistula

  • K50.114|

    Crohn's disease of large intestine with abscess

  • K50.118|

    Crohn's disease of large intestine with other complication

  • K50.119|

    Crohn's disease of large intestine with unspecified complications

  • K50.80|

    Crohn's disease of both small and large intestine without complications

  • K50.811|

    Crohn's disease of both small and large intestine with rectal bleeding

  • K50.812|

    Crohn's disease of both small and large intestine with intestinal obstruction

  • K50.813|

    Crohn's disease of both small and large intestine with fistula

  • K50.814|

    Crohn's disease of both small and large intestine with abscess

  • K50.818|

    Crohn's disease of both small and large intestine with other complication

  • K50.819|

    Crohn's disease of both small and large intestine with unspecified complications

  • K50.90|

    Crohn's disease, unspecified, without complications

  • K50.911|

    Crohn's disease, unspecified, with rectal bleeding

  • K50.912|

    Crohn's disease, unspecified, with intestinal obstruction

  • K50.913|

    Crohn's disease, unspecified, with fistula

  • K50.914|

    Crohn's disease, unspecified, with abscess

  • K50.918|

    Crohn's disease, unspecified, with other complication

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