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2025 ICD-10-CM code K91

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

Follow all official ICD-10-CM coding guidelines and conventions.Ensure the documentation supports the choice of K91 over other, more specific codes.Consult the official ICD-10-CM coding manual for the most up-to-date guidelines.

Modifiers may be applicable depending on the specific circumstances of the procedure and complication. Consult the appropriate modifier guidelines for clarification.

Medical necessity for coding K91 is established through proper documentation of the post-procedural complication or disorder, including its relationship to the underlying procedure, its severity, and the medical management undertaken. The documentation must clearly support that the complication warrants additional medical care or intervention.

The clinical responsibility for coding K91 rests with the physician or other qualified healthcare professional who manages the patient's care and documents the post-procedural complications or disorders. This includes documenting the procedure performed, the onset and nature of complications, and any associated treatments.

IMPORTANT:Excludes 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).

In simple words: This code is for problems that happen during or after a digestive system operation or procedure, and that aren't listed in other categories.

This ICD-10-CM code encompasses intraoperative and postprocedural complications and disorders affecting the digestive system that are not classified elsewhere.This includes complications arising during or after surgical or other procedures performed on the digestive system.Specific exclusions apply, including complications of artificial openings, bariatric procedures, gastrojejunal ulcers, and specific radiation-induced conditions.

Example 1: A patient undergoing a colonoscopy experiences a perforation during the procedure, requiring immediate surgical repair. Code K91 would be used to describe the perforation as a complication of the colonoscopy., A patient undergoes a laparoscopic cholecystectomy. Post-operatively, they develop an abdominal abscess requiring drainage. Code K91 would be applicable to reflect the post-operative complication., Following a gastric bypass surgery, a patient develops a leak at the anastomosis site. This represents a serious post-operative complication of the bariatric procedure and would be coded with K91.

Detailed operative notes describing the procedure, intraoperative findings (if applicable), and post-operative complications.Complete medical record should also include imaging reports (e.g., X-rays, CT scans), pathology results, and progress notes detailing the development, management, and resolution of complications.

** Always ensure that the chosen code accurately reflects the clinical documentation.If a more specific code exists to describe the complication, that code should be used instead of K91.

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