ICD-10-CM Code K91: Intraoperative and postprocedural complications and disorders of digestive system, not elsewhere classified and Related Diagnosis Codes.


The ICD-10-CM (the International Classification of Diseases, Tenth Revision, Clinical Modification) is a standardized coding system used when classifying diseases and medical conditions. Healthcare providers report these codes on Medical claims when diagnosing patient care.

Explore ICD-10-CM codes, organized by chapters based on body systems and medical conditions, as outlined in the International Classification of Diseases, Tenth Revision, Clinical Modification.

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A categorized list of ICD-10-CM codes organized by chapters based on body systems or medical conditions, according to the International Classification of Diseases, Tenth Revision, Clinical Modification.

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

Note: The International Classification of Diseases, Tenth Revision, Clinical Modification (ICD-10-CM) codes are developed and maintained by the Centers for Disease Control and Prevention (CDC). CDC's National Center for Health Statistics (NCHS) is responsible for the clinical modification of ICD-10 for use in the United States. The World Health Organization (WHO), which owns and publishes ICD-10, authorized NCHS to develop ICD-10-CM. All modifications to ICD-10 must conform to WHO's established ICD structure and conventions. All rights are reserved by the respective entities.