ICD-10-CM K91: Intraoperative and postprocedural complications and disorders of digestive system, not elsewhere classified

ICD-10-CM Diagnosis Code (2025)

Official Description for K91

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

Coding Notes & Guidelines for K91

Excludes1: Not Coded Here
  • malabsorption osteomalacia in adults (M83.2)
  • malabsorption osteoporosis, postsurgical (M80.8-, M81.8)
Excludes1: Not Coded Here

intraoperative hemorrhage and hematoma of a digestive system organ or structure due to accidental puncture and laceration during a procedure (K91.7-)

Excludes2: 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)
Excludes2: Not Included Here

postprocedural retroperitoneal abscess (K68.11)

Use Additional Code

code, if applicable, to further specify disorder

Inclusion Terms
  • Dumping syndrome
  • Postgastrectomy syndrome
  • Postvagotomy syndrome
Inclusion Terms

Postsurgical blind loop syndrome

Inclusion Terms

Postprocedural intestinal obstruction NOS

Inclusion Terms

Postprocedural incomplete intestinal obstruction

Inclusion Terms

Inflammation of internal ileoanal pouch

Child Codes (More Specific Codes for K91):

K91.0 - Vomiting following gastrointestinal surgery K91.1 - Postgastric surgery syndromes K91.2 - Postsurgical malabsorption, not elsewhere classified K91.3 - Postprocedural intestinal obstruction K91.30 - Postprocedural intestinal obstruction, unspecified as to partial versus complete K91.31 - Postprocedural partial 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 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 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

About ICD-10-CM Code K91 (Intraoperative and postprocedural complications and disorders of digestive system)

ICD-10-CM code K91 is a billable or specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. The 2025 edition of ICD-10-CM K91 became effective on October 1, 2024.

This page provides detailed information about K91 - Intraoperative and postprocedural complications and disorders of digestive system, not elsewhere classified. It includes common terminology, coding guidelines such as "Includes," "Excludes1," and "Excludes2" notes, and information on required 7th characters. Utilizing this information correctly is essential for accurate medical coding and claims submission for conditions like Intraoperative and postprocedural complications and disorders of digestive system related to not elsewhere classified.