1. K91 Intraoperative and postprocedural complications and disorders of digestive system, not elsewhere classified

    Excludes2

    • complications of artificial opening of digestive system (K94.-)
    • complications of bariatric procedures (K95.-)
    • gastrojejunal ulcer (K28.-)
    • postprocedural (radiation) retroperitoneal abscess (K68.11)
    • radiation colitis (K52.0)
    • radiation gastroenteritis (K52.0)
    • radiation proctitis (K62.7)
    1. K91.0 Vomiting following gastrointestinal surgery

    2. K91.1 Postgastric surgery syndromes

      Inclusion term(s):

      • Dumping syndrome
      • Postgastrectomy syndrome
      • Postvagotomy syndrome
    3. K91.2 Postsurgical malabsorption, not elsewhere classified

      Inclusion term(s):

      • Postsurgical blind loop syndrome
    4. K91.3 Postprocedural intestinal obstruction

      1. K91.30 Postprocedural intestinal obstruction, unspecified as to partial versus complete

        Inclusion term(s):

        • Postprocedural intestinal obstruction NOS
      2. K91.31 Postprocedural partial intestinal obstruction

        Inclusion term(s):

        • Postprocedural incomplete intestinal obstruction
      3. K91.32 Postprocedural complete intestinal obstruction

    5. K91.5 Postcholecystectomy syndrome

    6. K91.6 Intraoperative hemorrhage and hematoma of a digestive system organ or structure complicating a procedure

      1. K91.61 Intraoperative hemorrhage and hematoma of a digestive system organ or structure complicating a digestive system procedure

      2. K91.62 Intraoperative hemorrhage and hematoma of a digestive system organ or structure complicating other procedure

    7. K91.7 Accidental puncture and laceration of a digestive system organ or structure during a procedure

      1. K91.71 Accidental puncture and laceration of a digestive system organ or structure during a digestive system procedure

      2. K91.72 Accidental puncture and laceration of a digestive system organ or structure during other procedure

    8. K91.8 Other intraoperative and postprocedural complications and disorders of digestive system

      1. K91.81 Other intraoperative complications of digestive system

      2. K91.82 Postprocedural hepatic failure

      3. K91.83 Postprocedural hepatorenal syndrome

      4. K91.84 Postprocedural hemorrhage of a digestive system organ or structure following a procedure

        • K91.840 Postprocedural hemorrhage of a digestive system organ or structure following a digestive system procedure
        • K91.841 Postprocedural hemorrhage of a digestive system organ or structure following other procedure
      5. K91.85 Complications of intestinal pouch

      6. K91.86 Retained cholelithiasis following cholecystectomy

      7. K91.87 Postprocedural hematoma and seroma of a digestive system organ or structure following a procedure

        • K91.870 Postprocedural hematoma of a digestive system organ or structure following a digestive system procedure
        • K91.871 Postprocedural hematoma of a digestive system organ or structure following other procedure
        • K91.872 Postprocedural seroma of a digestive system organ or structure following a digestive system procedure
        • K91.873 Postprocedural seroma of a digestive system organ or structure following other procedure
      8. K91.89 Other postprocedural complications and disorders of digestive system

Abbreviations used here:

NEC Not elsewhere classifiable
This abbreviation in the Tabular List represents “other specified”. When a specific code is not available for a condition, the Tabular List includes an NEC entry under a code to identify the code as the “other specified” code.

NOS Not otherwise specified
This abbreviation is the equivalent of unspecified.