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v1.0.0
ICD-10 Guide
DiagnosesEpstein Barr Virus

Epstein Barr Virus

ICD-10 Coding for Epstein-Barr Virus(B27.00, B97.21)

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

Diagnosis Overview

What is Epstein Barr Virus?
Essential facts and insights about Epstein-Barr Virus

Key Clinical Considerations:

  • Fever, fatigue, sore throat, swollen lymph nodes
  • Heterophile antibody test (Monospot), EBV-specific antibodies (VCA, EA, NA)
  • Lymphadenopathy, splenomegaly, pharyngeal erythema

Clinical Information

Clinical Criteria & Documentation Requirements

  • Patient history, clinical findings, laboratory results
  • ICD-10-CM terminology for EBV infection
  • Example: 'Patient presents with symptoms consistent with infectious mononucleosis due to EBV.'

Coding Guidelines

Usage Guidelines & Examples

  • Follow guidelines for coding infectious diseases, avoid unspecified codes when possible
  • Common errors include misdiagnosing EBV as other viral infections

Code Exclusions

Important Exclusions

  • Other viral infections (e.g., CMV), conditions mimicking EBV symptoms
  • Alternative codes for complications like splenic rupture

Related ICD-10 Codes

Primary Codes
B27.9
Infectious mononucleosis, unspecified
B27.0
Infectious mononucleosis due to Epstein-Barr virus
Ancillary Codes
B97.21
Differential Codes
B27
B27
when mononucleosis is documented without specifying EBV.

Related CPT Codes

CPT codes will be available in a future update.

Specialty Focus

Primary Specialty

Infectious Disease

Specialty Applications

  • Adolescents and young adults, immunocompromised patients
  • Outpatient and inpatient 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

Documentation requirements?

Include patient symptoms, lab results, and clinical assessment.

Billing considerations?

Ensure accurate coding to reflect the diagnosis and any associated complications.