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v1.0.0
ICD-10 Guide
DiagnosesVancomycin Resistant Enterococcus

Vancomycin Resistant Enterococcus

ICD-10 Coding for Vancomycin-Resistant Enterococcus(A49.1, Z06.41, Z22.3)

PRIMARY SPECIALTYInfectious Disease
COMPLEXITYHigh
LAST UPDATED09/15/2025
Sam Tuffun, PT, DPT
Physical Therapist | Medical Coding & Billing Contributor

Diagnosis Overview

What is Vancomycin Resistant Enterococcus?
Essential facts and insights about Vancomycin-Resistant Enterococcus

Key Clinical Considerations:

  • Fever, chills, and malaise
  • Positive culture for Enterococcus species resistant to vancomycin
  • Abdominal tenderness or distension

Clinical Information

Clinical Criteria & Documentation Requirements

  • Patient history of antibiotic use, especially vancomycin
  • Laboratory results indicating resistance
  • Clinical notes detailing symptoms and treatment response

Coding Guidelines

Usage Guidelines & Examples

  • Follow guidelines for coding infections and resistance
  • Common errors include misclassifying the site of infection

Code Exclusions

Important Exclusions

  • Other Enterococcus infections not resistant to vancomycin
  • Non-infectious conditions

Related ICD-10 Codes

Primary Codes
A49.01
Vancomycin resistant Enterococcus infection, unspecified site
Ancillary Codes
Z06.41
Differential Codes
A41.89
A41.89
when sepsis is present without specific identification of VRE.

Related CPT Codes

CPT codes will be available in a future update.

Specialty Focus

Primary Specialty

Infectious Disease

Specialty Applications

  • Immunocompromised patients, hospitalized patients
  • Infectious disease clinics, acute care settings

Coding Complexity

High Complexity

This diagnosis requires careful attention to:

  • Comprehensive clinical documentation
  • Accurate code selection based on clinical criteria
  • Proper exclusion considerations
  • Specialty-specific coding guidelines

Documentation

Documentation Templates

Billing Information

Billing Considerations

  • Ensure proper documentation for billing
  • Verify code specificity requirements
  • Check for any additional codes needed
  • Review payer-specific guidelines

Common Issues

  • Insufficient clinical documentation
  • Incorrect code selection
  • Missing supporting diagnoses
  • Timing and frequency documentation

Frequently Asked Questions

What are the documentation requirements?

Document patient history, lab results, and clinical findings.

What are the billing considerations?

Ensure accurate coding to reflect the specific infection and resistance.