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ICD-10 Guide
ICD-10 CodesK52.839

K52.839

Billable

Microscopic colitis, unspecified

BILLABLE STATUSYes
IMPLEMENTATION DATEOctober 1, 2015
LAST UPDATED09/06/2025

Code Description

ICD-10 K52.839 is a billable code used to indicate a diagnosis of microscopic colitis, unspecified.

Key Diagnostic Point:

Microscopic colitis is a form of inflammatory bowel disease characterized by chronic, non-bloody diarrhea and is often diagnosed through histological examination of colonic biopsies. The condition primarily affects the colon, leading to inflammation that is not visible during standard endoscopic procedures. Patients typically present with symptoms such as frequent watery stools, abdominal pain, and weight loss. The disease progression can vary, with some patients experiencing intermittent symptoms while others may have persistent diarrhea. Diagnostic considerations include ruling out other causes of diarrhea and obtaining biopsies during colonoscopy to confirm the diagnosis. Microscopic colitis is classified into two main types: collagenous colitis and lymphocytic colitis, although K52.839 is used when the specific type is unspecified. Treatment often involves dietary modifications and medications such as anti-diarrheal agents or corticosteroids, depending on the severity of symptoms. Understanding the underlying mechanisms and triggers, such as medications or infections, is crucial for effective management.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Diagnostic complexity: Requires histological confirmation and differentiation from other gastrointestinal disorders.
  • Treatment complexity: Management may involve multiple therapeutic approaches and lifestyle changes.
  • Documentation requirements: Detailed clinical notes and biopsy results are essential for accurate coding.
  • Coding specificity: The unspecified nature of K52.839 may lead to challenges in capturing the full clinical picture.

Audit Risk Factors

  • Common coding errors: Misclassification of the type of microscopic colitis.
  • Documentation gaps: Incomplete clinical notes or lack of biopsy results.
  • Billing challenges: Potential denials due to insufficient documentation or unclear diagnosis.

Specialty Focus

Medical Specialties

Gastroenterology

Documentation Requirements

Standard ICD-10-CM documentation requirements apply

Common Clinical Scenarios

Various clinical presentations within this specialty area

Billing Considerations

Follow specialty-specific billing guidelines

Pathology

Documentation Requirements

Standard ICD-10-CM documentation requirements apply

Common Clinical Scenarios

Various clinical presentations within this specialty area

Billing Considerations

Follow specialty-specific billing guidelines

Related ICD-10 Codes

Related CPT Codes

CPT Code

Clinical Scenario

Documentation Requirements

CPT Code

Clinical Scenario

Documentation Requirements

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

Microscopic colitis, while often underdiagnosed, has significant implications for patient quality of life and healthcare utilization. The condition can lead to increased healthcare visits, diagnostic testing, and treatment costs. Understanding its epidemiology is crucial, as it is more prevalent in older adults and may be associated with certain medications. Quality measures related to gastrointestinal health may also be impacted by the management of this condition, highlighting the importance of accurate diagnosis and coding.

ICD-9 vs ICD-10

Microscopic colitis, while often underdiagnosed, has significant implications for patient quality of life and healthcare utilization. The condition can lead to increased healthcare visits, diagnostic testing, and treatment costs. Understanding its epidemiology is crucial, as it is more prevalent in older adults and may be associated with certain medications. Quality measures related to gastrointestinal health may also be impacted by the management of this condition, highlighting the importance of accurate diagnosis and coding.

Reimbursement & Billing Impact

reimbursement considerations and to ensure compliance with coding best practices to minimize billing challenges.

Resources

Clinical References

  • •
    ICD-10 Official Guidelines for K00-K99
  • •
    Clinical Documentation Requirements

Coding & Billing References

  • •
    ICD-10 Official Guidelines for K00-K99
  • •
    Clinical Documentation Requirements

Frequently Asked Questions

What specific conditions are covered by K52.839?

K52.839 covers unspecified microscopic colitis, which may include cases of collagenous colitis and lymphocytic colitis when the specific type is not identified. It is essential to document the clinical findings and any relevant biopsy results to support the diagnosis.

When should K52.839 be used instead of related codes?

K52.839 should be used when the type of microscopic colitis is not specified or when the diagnosis is confirmed through biopsy but does not fit the criteria for collagenous or lymphocytic colitis. Accurate documentation is crucial for appropriate code selection.

What documentation supports K52.839?

Supporting documentation for K52.839 includes clinical notes detailing the patient's symptoms, results from colonoscopy and biopsy findings, and any treatments administered. Clear documentation of the diagnostic process is vital to justify the use of this code.