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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  • K85.31—

    Drug induced acute pancreatitis with uninfected necrosis

  • K85.32—

    Drug induced acute pancreatitis with infected necrosis

  • K85.8—

    Other acute pancreatitis

  • K85.80—

    Other acute pancreatitis without necrosis or infection

  • K85.81—

    Other acute pancreatitis with uninfected necrosis

  • K85.82—

    Other acute pancreatitis with infected necrosis

  • K85.9—

    Acute pancreatitis, unspecified

  • K85.90—

    Acute pancreatitis without necrosis or infection, unspecified

  • K85.91—

    Acute pancreatitis with uninfected necrosis, unspecified

  • K85.92—

    Acute pancreatitis with infected necrosis, unspecified

  • K86—

    Other diseases of pancreas

  • K86.0—

    Alcohol-induced chronic pancreatitis

  • K86.1—

    Other chronic pancreatitis

  • K86.2—

    Cyst of pancreas

  • K86.3—

    Pseudocyst of pancreas

  • K86.8—

    Other specified diseases of pancreas

  • K86.81—

    Exocrine pancreatic insufficiency

  • K86.89—

    Other specified diseases of pancreas

  • K86.9—

    Disease of pancreas, unspecified

  • K87—

    Disorders of gallbladder, biliary tract and pancreas in diseases classified elsewhere

  • K90—

    Intestinal malabsorption

  • K90.0—

    Celiac disease

  • K90.1—

    Tropical sprue

  • K90.2—

    Blind loop syndrome, not elsewhere classified

  • K90.3—

    Pancreatic steatorrhea

  • K90.4—

    Other malabsorption due to intolerance

  • K90.41—

    Non-celiac gluten sensitivity

  • K90.49—

    Malabsorption due to intolerance, not elsewhere classified

  • K90.8—

    Other intestinal malabsorption

  • K90.81—

    Whipple's disease

  • K90.82—

    Short bowel syndrome

  • K90.821—

    Short bowel syndrome with colon in continuity

  • K90.822—

    Short bowel syndrome without colon in continuity

  • K90.829—

    Short bowel syndrome, unspecified

  • K90.83—

    Intestinal failure

  • K90.89—

    Other intestinal malabsorption

  • K90.9—

    Intestinal malabsorption, unspecified

  • K91—

    Intraoperative and postprocedural complications and disorders of digestive system, not elsewhere classified

  • K91.0—

    Vomiting following gastrointestinal surgery

  • K91.1—

    Postgastric surgery syndromes

  • K91.2—

    Postsurgical malabsorption, not elsewhere classified

  • K91.3—

    Postprocedural intestinal obstruction

  • K91.30—

    Postprocedural intestinal obstruction, unspecified as to partial versus complete

  • K91.31—

    Postprocedural partial intestinal obstruction

  • K91.32—

    Postprocedural complete intestinal obstruction

  • K91.5—

    Postcholecystectomy syndrome

  • K91.6—

    Intraoperative hemorrhage and hematoma of a digestive system organ or structure complicating a procedure

  • K91.61—

    Intraoperative hemorrhage and hematoma of a digestive system organ or structure complicating a digestive system procedure

  • K91.62—

    Intraoperative hemorrhage and hematoma of a digestive system organ or structure complicating other procedure

  • K91.7—

    Accidental puncture and laceration of a digestive system organ or structure during a procedure

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