Epstein Barr Virus ( Viral Capsid Antigen ) IgM
Also Known As
Test Parameters Included
- Serum Epstein-Barr Virus Viral Capsid Antigen (VCA) IgM Concentration (IU/mL) - qualitative/quantitative
- Pathologist Serology Remark - interpreted against acute vs past infection reference intervals
Department
Methodology
Sample Required
Preparation
Schedule Report
24 Hours
Emergency Report
Yes
Frequently Asked Questions
What does EBV VCA IgM indicate?
VCA IgM appears early during acute Epstein-Barr virus infection and typically disappears within 4–6 weeks. Its presence confirms recent or active primary infection, commonly causing infectious mononucleosis.
Do I need to fast for this test?
No, fasting is not required for EBV VCA IgM testing. Serum can be collected at any time of day.
How long does it take to get results?
Results are typically available within 24 hours at Dr. Patho Labs. Verified PDF reports are accessible via www.drpatholab.in or WhatsApp/Email.
Can VCA IgM be positive after recovery?
VCA IgM usually becomes negative within 2–3 months after infection. Persistent positivity is rare and may prompt retesting or evaluation for other conditions.
What is the difference between VCA IgM and VCA IgG?
VCA IgM indicates acute recent infection, while VCA IgG appears later and persists for life. IgG confirms past exposure or immunity, whereas IgM helps diagnose the current active phase.
Can stress or medications affect the result?
Stress and common medications do not directly affect EBV VCA IgM levels. However, immunosuppressive therapy may blunt antibody production and alter results.
Test Description
Test Code
E10
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