| K868 | Other specified diseases of pancreas |
| K8681 | Exocrine pancreatic insufficiency |
| K8689 | Other specified diseases of pancreas |
| K869 | Disease of pancreas, unspecified |
| K87 | Disord of GB, biliary trac and pancreas in dis classd elswhr Disorders of gallbladder, biliary tract and pancreas in diseases classified elsewhere |
| K90 | Intestinal malabsorption |
| K900 | Celiac disease |
| K901 | Tropical sprue |
| K902 | Blind loop syndrome, not elsewhere classified |
| K903 | Pancreatic steatorrhea |
| K904 | Other malabsorption due to intolerance |
| K9041 | Non-celiac gluten sensitivity |
| K9049 | Malabsorption due to intolerance, not elsewhere classified |
| K908 | Other intestinal malabsorption |
| K9081 | Whipple's disease |
| K9082 | Short bowel syndrome |
| K90821 | Short bowel syndrome with colon in continuity |
| K90822 | Short bowel syndrome without colon in continuity |
| K90829 | Short bowel syndrome, unspecified |
| K9083 | Intestinal failure |
| K9089 | Other intestinal malabsorption |
| K909 | Intestinal malabsorption, unspecified |
| K91 | Intraoperative and postprocedural complications and disorders of digestive system, not elsewhere classified |
| K910 | Vomiting following gastrointestinal surgery |
| K911 | Postgastric surgery syndromes |
| K912 | Postsurgical malabsorption, not elsewhere classified |
| K913 | Postprocedural intestinal obstruction |
| K9130 | Postproc intestinal obst, unsp as to partial versus complete Postprocedural intestinal obstruction, unspecified as to partial versus complete |
| K9131 | Postprocedural partial intestinal obstruction |
| K9132 | Postprocedural complete intestinal obstruction |
| K915 | Postcholecystectomy syndrome |
| K916 | Intraoperative hemorrhage and hematoma of a digestive system organ or structure complicating a procedure |
| K9161 | Intraoperative hemorrhage and hematoma of a digestive system organ or structure complicating a digestive system procedure |
| K9162 | Intraoperative hemorrhage and hematoma of a digestive system organ or structure complicating other procedure |
| K917 | Accidental puncture and laceration of a digestive system organ or structure during a procedure |
| K9171 | Accidental pnctr & lac of a dgstv sys org dur dgstv sys proc Accidental puncture and laceration of a digestive system organ or structure during a digestive system procedure |
| K9172 | Accidental puncture and laceration of a digestive system organ or structure during other procedure |
| K918 | Other intraoperative and postprocedural complications and disorders of digestive system |
| K9181 | Other intraoperative complications of digestive system |
| K9182 | Postprocedural hepatic failure |
| K9183 | Postprocedural hepatorenal syndrome |
| K9184 | Postproc hemorrhage of a dgstv sys org following a procedure Postprocedural hemorrhage of a digestive system organ or structure following a procedure |
| K91840 | Postprocedural hemorrhage of a digestive system organ or structure following a digestive system procedure |
| K91841 | Postprocedural hemorrhage of a digestive system organ or structure following other procedure |
| K9185 | Complications of intestinal pouch |
| K91850 | Pouchitis |
| K91858 | Other complications of intestinal pouch |
| K9186 | Retained cholelithiasis following cholecystectomy |
| K9187 | Postprocedural hematoma and seroma of a digestive system organ or structure following a procedure |
| K91870 | Postprocedural hematoma of a digestive system organ or structure following a digestive system procedure |