ICD-10-CM · Chapter 11 · K00-K95
K91 Intraoperative and postprocedural complications and disorders of digestive system, not elsewhere classified
Excludes 2 (not included here)
- 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)
Subcodes
Subcodes are listed below for reference. Detail pages are not available for chapters 11–22.
| Code | Description | Billable |
|---|---|---|
| K91..0 | Vomiting following gastrointestinal surgery | Yes |
| K91..1 | Postgastric surgery syndromes | Yes |
| K91..2 | Postsurgical malabsorption, not elsewhere classified | Yes |
| K91..3 | Postprocedural intestinal obstruction | No |
| K91..30 | Postprocedural intestinal obstruction, unspecified as to partial versus complete | Yes |
| K91..31 | Postprocedural partial intestinal obstruction | Yes |
| K91..32 | Postprocedural complete intestinal obstruction | Yes |
| K91..5 | Postcholecystectomy syndrome | Yes |
| K91..6 | Intraoperative hemorrhage and hematoma of a digestive system organ or structure complicating a procedure | No |
| K91..61 | Intraoperative hemorrhage and hematoma of a digestive system organ or structure complicating a digestive system procedure | Yes |
| K91..62 | Intraoperative hemorrhage and hematoma of a digestive system organ or structure complicating other procedure | Yes |
| K91..7 | Accidental puncture and laceration of a digestive system organ or structure during a procedure | No |
| K91..71 | Accidental puncture and laceration of a digestive system organ or structure during a digestive system procedure | Yes |
| K91..72 | Accidental puncture and laceration of a digestive system organ or structure during other procedure | Yes |
| K91..8 | Other intraoperative and postprocedural complications and disorders of digestive system | No |
| K91..81 | Other intraoperative complications of digestive system | Yes |
| K91..82 | Postprocedural hepatic failure | Yes |
| K91..83 | Postprocedural hepatorenal syndrome | Yes |
| K91..84 | Postprocedural hemorrhage of a digestive system organ or structure following a procedure | No |
| K91..840 | Postprocedural hemorrhage of a digestive system organ or structure following a digestive system procedure | Yes |
| K91..841 | Postprocedural hemorrhage of a digestive system organ or structure following other procedure | Yes |
| K91..85 | Complications of intestinal pouch | No |
| K91..850 | Pouchitis | Yes |
| K91..858 | Other complications of intestinal pouch | Yes |
| K91..86 | Retained cholelithiasis following cholecystectomy | Yes |
| K91..87 | Postprocedural hematoma and seroma of a digestive system organ or structure following a procedure | No |
| K91..870 | Postprocedural hematoma of a digestive system organ or structure following a digestive system procedure | Yes |
| K91..871 | Postprocedural hematoma of a digestive system organ or structure following other procedure | Yes |
| K91..872 | Postprocedural seroma of a digestive system organ or structure following a digestive system procedure | Yes |
| K91..873 | Postprocedural seroma of a digestive system organ or structure following other procedure | Yes |
| K91..89 | Other postprocedural complications and disorders of digestive system | Yes |
Last reviewed: September 2026