Is K91 a billable code?
No. K91 is a header code that groups 24 more specific codes. Use one of the billable codes listed on this page instead.
ICD-10-CM FY2027 diagnosis code
K91: Intraoperative and postprocedural complications and disorders of digestive system, not elsewhere classified
Header code: not billableValid for dates of service October 1, 2026 to September 30, 2027
K91 groups related diagnoses under intraoperative and postprocedural complications and disorders of digestive system, not elsewhere classified. It cannot be used on a claim by itself. Choose the billable code below that matches the patient's record.
Billable codes under K91
- K91.0Vomiting following gastrointestinal surgery
- K91.1Postgastric surgery syndromes
- K91.2Postsurgical malabsorption, not elsewhere classified
- K91.30Postprocedural intestinal obstruction, unspecified as to partial versus complete
- K91.31Postprocedural partial intestinal obstruction
- K91.32Postprocedural complete intestinal obstruction
- K91.5Postcholecystectomy syndrome
- K91.61Intraoperative hemorrhage and hematoma of a digestive system organ or structure complicating a digestive system procedure
- K91.62Intraoperative hemorrhage and hematoma of a digestive system organ or structure complicating other procedure
- K91.71Accidental puncture and laceration of a digestive system organ or structure during a digestive system procedure
- K91.72Accidental puncture and laceration of a digestive system organ or structure during other procedure
- K91.81Other intraoperative complications of digestive system
- K91.82Postprocedural hepatic failure
- K91.83Postprocedural hepatorenal syndrome
- K91.840Postprocedural hemorrhage of a digestive system organ or structure following a digestive system procedure
- K91.841Postprocedural hemorrhage of a digestive system organ or structure following other procedure
- K91.850Pouchitis
- K91.858Other complications of intestinal pouch
- K91.86Retained cholelithiasis following cholecystectomy
- K91.870Postprocedural hematoma of a digestive system organ or structure following a digestive system procedure
- K91.871Postprocedural hematoma of a digestive system organ or structure following other procedure
- K91.872Postprocedural seroma of a digestive system organ or structure following a digestive system procedure
- K91.873Postprocedural seroma of a digestive system organ or structure following other procedure
- K91.89Other postprocedural complications and disorders of digestive system
K91 questions
What does K91 mean?
K91 is the ICD-10-CM code for Intraoperative and postprocedural complications and disorders of digestive system, not elsewhere classified. It is in chapter 11, Diseases of the digestive system (K00-K95).
Code titles come from the official ICD-10-CM files published by the CDC National Center for Health Statistics. Always check payer rules and the clinical record before billing.