ICD-10-CM Billable Code

K91.850

Pouchitis

Clinical Classification Guidelines

Inclusion Terms

  • Inflammation of internal ileoanal pouch

Medical Intelligence & Overview

Pouchitis is an inflammation that affects the internal ileoanal pouch, a surgically created reservoir from the small intestine to replace the rectum. Often occurring after surgeries like colectomy and ileal pouch-anal anastomosis (IPAA), pouchitis can cause discomfort and affect quality of life. Recognizing its symptoms early and understanding the causes and potential treatments can help manage this condition effectively.

Causes & Symptoms

Clinical Causes: Altered gut bacteria leading to imbalance and inflammation Infections caused by bacteria, viruses, or fungi Immune system reactions that target the pouch Surgical factors related to pouch construction or healing Underlying inflammatory bowel diseases, such as ulcerative colitis Medication side effects, especially antibiotics or NSAIDs Chronic pouchitis may develop in individuals with a history of pouchitis episodes

Key Symptoms: Increased stool frequency and urgent bowel movements Abdominal pain or cramping Discharge of mucus or pus from the anus Fever or chills in some cases Unpleasant odor associated with stool Feeling of fatigue or general malaise Rectal bleeding or blood in stool in some instances

Diagnostic & Treatment

Diagnosis Path: Diagnosing pouchitis involves a combination of medical history, symptom review, and diagnostic tests. These may include a physical examination, stool tests to detect infections, blood tests to identify inflammation, and endoscopy (pouchoscopy) to visually inspect the inside of the pouch and obtain tissue samples for biopsy if necessary. Imaging studies like MRI or CT scans can also assist in excluding other causes of symptoms.

Treatment Protocols: Antibiotics such as ciprofloxacin or metronidazole to target bacterial imbalance or infection Anti-inflammatory medications to reduce pouch inflammation Probiotics to help restore healthy gut bacteria Immunosuppressive or biologic therapies in chronic or refractory cases Dietary modifications to reduce irritation and improve symptoms Monitoring and supportive care for complications

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.

Clinical Advice & FAQs

Billing Guidance

Is K91.850 a billable ICD-10 code?
Yes, K91.850 is a specific, billable code that can be used to indicate a diagnosis for reimbursement purposes.

Documentation

How do I report K91.850?
Clinical documentation must specify the nature of Pouchitis and any associated comorbidities for accurate reporting.

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