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

Codes under K91 (Intraoperative and postprocedural complications and disorders of digestive system, not elsewhere classified). A ✓ marks a billable (fully specified) code; category codes without a ✓ are not billable on their own.

Code	Description	Billable
K91.0	Vomiting following gastrointestinal surgery	✓
K91.1	Postgastric surgery syndromes	✓
K91.2	Postsurgical malabsorption, not elsewhere classified	✓
K91.3	Postprocedural intestinal obstruction	—
K91.5	Postcholecystectomy syndrome	✓
K91.6	Intraoperative hemorrhage and hematoma of a digestive system organ or structure complicating a procedure	—
K91.7	Accidental puncture and laceration of a digestive system organ or structure during a procedure	—
K91.8	Other intraoperative and postprocedural complications and disorders of digestive system	—
K91.30	Postprocedural intestinal obstruction, unspecified as to partial versus complete	✓
K91.31	Postprocedural partial intestinal obstruction	✓
K91.32	Postprocedural complete intestinal obstruction	✓
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	✓
K91.71	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	✓
K91.81	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	—
K91.85	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	—
K91.89	Other postprocedural complications and disorders of digestive system	✓
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	✓
K91.850	Pouchitis	✓
K91.858	Other complications of intestinal pouch	✓
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	✓

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