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ICD-10-CM · FY 2026 APRIL UPDATE

K91

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

Diagnosis reference

Nonbillable category

This entry is a category or subcategory. Choose the appropriate billable descendant based on the clinical documentation.

Effective periodOctober 1, 2026–September 30, 2027
SourceCMS ICD-10-CM order file
ClassificationDiagnosis · clinical modification

Related entries

Up to 30 descendants in this category

CODEDESCRIPTIONTYPE
K91.0Vomiting following gastrointestinal surgeryBillable
K91.1Postgastric surgery syndromesBillable
K91.2Postsurgical malabsorption, not elsewhere classifiedBillable
K91.3Postprocedural intestinal obstructionCategory
K91.30Postprocedural intestinal obstruction, unspecified as to partial versus completeBillable
K91.31Postprocedural partial intestinal obstructionBillable
K91.32Postprocedural complete intestinal obstructionBillable
K91.5Postcholecystectomy syndromeBillable
K91.6Intraoperative hemorrhage and hematoma of a digestive system organ or structure complicating a procedureCategory
K91.61Intraoperative hemorrhage and hematoma of a digestive system organ or structure complicating a digestive system procedureBillable
K91.62Intraoperative hemorrhage and hematoma of a digestive system organ or structure complicating other procedureBillable
K91.7Accidental puncture and laceration of a digestive system organ or structure during a procedureCategory
K91.71Accidental puncture and laceration of a digestive system organ or structure during a digestive system procedureBillable
K91.72Accidental puncture and laceration of a digestive system organ or structure during other procedureBillable
K91.8Other intraoperative and postprocedural complications and disorders of digestive systemCategory
K91.81Other intraoperative complications of digestive systemBillable
K91.82Postprocedural hepatic failureBillable
K91.83Postprocedural hepatorenal syndromeBillable
K91.84Postprocedural hemorrhage of a digestive system organ or structure following a procedureCategory
K91.840Postprocedural hemorrhage of a digestive system organ or structure following a digestive system procedureBillable
K91.841Postprocedural hemorrhage of a digestive system organ or structure following other procedureBillable
K91.85Complications of intestinal pouchCategory
K91.850PouchitisBillable
K91.858Other complications of intestinal pouchBillable
K91.86Retained cholelithiasis following cholecystectomyBillable
K91.87Postprocedural hematoma and seroma of a digestive system organ or structure following a procedureCategory
K91.870Postprocedural hematoma of a digestive system organ or structure following a digestive system procedureBillable
K91.871Postprocedural hematoma of a digestive system organ or structure following other procedureBillable
K91.872Postprocedural seroma of a digestive system organ or structure following a digestive system procedureBillable
K91.873Postprocedural seroma of a digestive system organ or structure following other procedureBillable

Use the complete reference

This reference does not reproduce the full tabular hierarchy, inclusion notes, Excludes1/2 notes, sequencing instructions, or seventh-character rules. Review the official tables and coding guidelines.

Open official CMS files

ICD-10-CM codes describe diagnoses. They do not have an independent Medicare PFS reimbursement amount, and billability alone does not establish coverage.