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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  • K76.9—

    Liver disease, unspecified

  • K77—

    Liver disorders in diseases classified elsewhere

  • K80.00—

    Calculus of gallbladder with acute cholecystitis without obstruction

  • K80.01—

    Calculus of gallbladder with acute cholecystitis with obstruction

  • K80.10—

    Calculus of gallbladder with chronic cholecystitis without obstruction

  • K80.11—

    Calculus of gallbladder with chronic cholecystitis with obstruction

  • K80.12—

    Calculus of gallbladder with acute and chronic cholecystitis without obstruction

  • K80.13—

    Calculus of gallbladder with acute and chronic cholecystitis with obstruction

  • K80.18—

    Calculus of gallbladder with other cholecystitis without obstruction

  • K80.19—

    Calculus of gallbladder with other cholecystitis with obstruction

  • K80.20—

    Calculus of gallbladder without cholecystitis without obstruction

  • K80.21—

    Calculus of gallbladder without cholecystitis with obstruction

  • K80.30—

    Calculus of bile duct with cholangitis, unspecified, without obstruction

  • K80.31—

    Calculus of bile duct with cholangitis, unspecified, with obstruction

  • K80.32—

    Calculus of bile duct with acute cholangitis without obstruction

  • K80.33—

    Calculus of bile duct with acute cholangitis with obstruction

  • K80.34—

    Calculus of bile duct with chronic cholangitis without obstruction

  • K80.35—

    Calculus of bile duct with chronic cholangitis with obstruction

  • K80.36—

    Calculus of bile duct with acute and chronic cholangitis without obstruction

  • K80.37—

    Calculus of bile duct with acute and chronic cholangitis with obstruction

  • K80.40—

    Calculus of bile duct with cholecystitis, unspecified, without obstruction

  • K80.41—

    Calculus of bile duct with cholecystitis, unspecified, with obstruction

  • K80.42—

    Calculus of bile duct with acute cholecystitis without obstruction

  • K80.43—

    Calculus of bile duct with acute cholecystitis with obstruction

  • K80.44—

    Calculus of bile duct with chronic cholecystitis without obstruction

  • K80.45—

    Calculus of bile duct with chronic cholecystitis with obstruction

  • K80.46—

    Calculus of bile duct with acute and chronic cholecystitis without obstruction

  • K80.47—

    Calculus of bile duct with acute and chronic cholecystitis with obstruction

  • K80.50—

    Calculus of bile duct without cholangitis or cholecystitis without obstruction

  • K80.51—

    Calculus of bile duct without cholangitis or cholecystitis with obstruction

  • K80.60—

    Calculus of gallbladder and bile duct with cholecystitis, unspecified, without obstruction

  • K80.61—

    Calculus of gallbladder and bile duct with cholecystitis, unspecified, with obstruction

  • K80.62—

    Calculus of gallbladder and bile duct with acute cholecystitis without obstruction

  • K80.63—

    Calculus of gallbladder and bile duct with acute cholecystitis with obstruction

  • K80.64—

    Calculus of gallbladder and bile duct with chronic cholecystitis without obstruction

  • K80.65—

    Calculus of gallbladder and bile duct with chronic cholecystitis with obstruction

  • K80.66—

    Calculus of gallbladder and bile duct with acute and chronic cholecystitis without obstruction

  • K80.67—

    Calculus of gallbladder and bile duct with acute and chronic cholecystitis with obstruction

  • K80.70—

    Calculus of gallbladder and bile duct without cholecystitis without obstruction

  • K80.71—

    Calculus of gallbladder and bile duct without cholecystitis with obstruction

  • K80.80—

    Other cholelithiasis without obstruction

  • K80.81—

    Other cholelithiasis with obstruction

  • K81.0—

    Acute cholecystitis

  • K81.1—

    Chronic cholecystitis

  • K81.2—

    Acute cholecystitis with chronic cholecystitis

  • K81.9—

    Cholecystitis, unspecified

  • K82.0—

    Obstruction of gallbladder

  • K82.1—

    Hydrops of gallbladder

  • K82.2—

    Perforation of gallbladder

  • K82.3—

    Fistula of gallbladder

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