ICD-10-CM Billable Code

K52.839

Microscopic colitis, unspecified

Clinical Classification Guidelines

Medical Intelligence & Overview

Microscopic colitis is a condition characterized by inflammation of the colon, which can cause persistent diarrhea. Despite its name, it is usually only visible under a microscope, making it different from other forms of colitis that can be seen during a colonoscopy. The condition can develop in older adults and often leads to watery, non-bloody diarrhea, sometimes accompanied by other gastrointestinal symptoms. Recognized under ICD-10 code K52.839, microscopic colitis is considered an inflammatory bowel disease, though it tends to have a favorable prognosis with proper management.

Causes & Symptoms

Clinical Causes: Autoimmune response where the body's immune system mistakenly attacks the lining of the colon. Use of certain medications, particularly non-steroidal anti-inflammatory drugs (NSAIDs), Proton pump inhibitors (PPIs), and selective serotonin reuptake inhibitors (SSRIs). Lifestyle factors, including smoking and alcohol consumption, which may influence inflammation. Genetic predisposition, although specific genetic factors are not well understood. Other gastrointestinal infections that may trigger immune responses leading to inflammation. Environmental factors and dietary components that could alter gut immune function.

Key Symptoms: Chronic, watery diarrhea that may occur multiple times a day. Abdominal pain or cramping, often relieved after a bowel movement. Weight loss due to persistent diarrhea and nutrient loss. Fatigue and general feeling of being unwell. In some cases, there may be an increase in bowel movements or urgency. Rarely, minor bleeding is observed, but blood is usually not a prominent feature.

Diagnostic & Treatment

Diagnosis Path: Diagnosing microscopic colitis involves several steps to exclude other causes of chronic diarrhea. The process typically includes:

Treatment Protocols: Managing microscopic colitis primarily involves relieving symptoms and reducing inflammation. Treatment options include:

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 K52.839 a billable ICD-10 code?
Yes, K52.839 is a specific, billable code that can be used to indicate a diagnosis for reimbursement purposes.

Documentation

How do I report K52.839?
Clinical documentation must specify the nature of Microscopic colitis, unspecified and any associated comorbidities for accurate reporting.

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