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)
  | 
	 
 
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 |  | 
	
		 K91.0 | 
		 | 
		Vomiting following gastrointestinal surgery | 
	 
  | 
 |  | 
	
		 K91.1 | 
		  | 
		Postgastric surgery syndromes | 
	 
	
		 |  | 
		
| Dumping syndrome |  | Postgastrectomy syndrome |  | Postvagotomy syndrome |   
 | 
	   | 
 |  | 
	
		 K91.2 | 
		  | 
		Postsurgical malabsorption, not elsewhere classified | 
	 
	
		 |  | 
		
| Postsurgical blind loop syndrome |  	
		| Excludes1 | 
		malabsorption osteomalacia in adults (M83.2) malabsorption osteoporosis, postsurgical (M80.8-, M81.8)
  | 
	 
 
 | 
	   | 
 |  | 
	
		 K91.3 | 
		 | 
		Postprocedural intestinal obstruction | 
	 
 |  | 
	
		 K91.30 | 
		  | 
		Postprocedural intestinal obstruction, unspecified as to partial versus complete | 
	 
	
		 |  | 
		
| Postprocedural intestinal obstruction NOS |   
 | 
	   |   |  | 
	
		 K91.31 | 
		  | 
		Postprocedural partial intestinal obstruction | 
	 
	
		 |  | 
		
| Postprocedural incomplete 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 | 
	 
	
		 |  | 
		
	
		| Excludes1 | 
		intraoperative hemorrhage and hematoma of a digestive system organ or structure due to accidental puncture and laceration during a procedure (K91.7-)
  | 
	 
 
 | 
	  |  | 
	
		 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 | 
	 
 |  | 
	
		 K91.71 | 
		 | 
		Accidental puncture and laceration of a digestive system organ or structure during a digestive system procedure | 
	 
  |   |  | 
	
		 K91.72 | 
		 | 
		Accidental puncture and laceration of a digestive system organ or structure during other procedure | 
	 
  |    | 
 |  | 
	
		 K91.8 | 
		 | 
		Other intraoperative and postprocedural complications and disorders of digestive system | 
	 
 |  | 
	
		 K91.81 | 
		 | 
		Other intraoperative complications of digestive system | 
	 
  |   |  | 
	
		 K91.82 | 
		 | 
		Postprocedural hepatic failure | 
	 
  |   |  | 
	
		 K91.83 | 
		 | 
		Postprocedural hepatorenal syndrome | 
	 
  |   |  | 
	
		 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 | 
	 
  |    |   |  | 
	
		 K91.85 | 
		 | 
		Complications of intestinal pouch | 
	 
 |  | 
	
		 K91.850 | 
		  | 
		Pouchitis | 
	 
	
		 |  | 
		
| Inflammation of internal ileoanal pouch |   
 | 
	   |   |  | 
	
		 K91.858 | 
		 | 
		Other complications of intestinal pouch | 
	 
  |    |   |  | 
	
		 K91.86 | 
		 | 
		Retained cholelithiasis following cholecystectomy | 
	 
  |   |  | 
	
		 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 | 
	 
  |    |   |  | 
	
		 K91.89 | 
		  | 
		Other postprocedural complications and disorders of digestive system | 
	 
	
		 |  | 
		
	
		| UseAdditionalCode | 
		code, if applicable, to further specify disorder
  | 
	 
	
		| Excludes2 | 
		postprocedural retroperitoneal abscess (K68.11)
  | 
	 
 
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