Epstein-Barr Virus ( Viral Capsid Antigen ) IgA
Also Known As
Test Parameters Included
- Serum Epstein-Barr Virus Viral Capsid Antigen IgA Antibody Concentration (IU/mL) - semi-quantitative or qualitative
- Pathologist Immunology/Serology Remark - interpreted in context of nasopharyngeal carcinoma risk and prior EBV exposure
Department
Methodology
Sample Required
Preparation
Schedule Report
24 Hours
Emergency Report
Yes
Frequently Asked Questions
What does EBV VCA IgA test measure?
It detects IgA antibodies directed against the viral capsid antigen of Epstein-Barr virus. Unlike IgG, IgA antibodies are associated with mucosal immune response and are used as a screening marker for nasopharyngeal carcinoma.
Why is this test important in India?
Nasopharyngeal carcinoma, though rare globally, has higher incidence in parts of India and Asia. EBV VCA IgA serves as a non-invasive screening tool for early detection in at-risk individuals.
Is fasting required for this test?
No, fasting is not required. EBV antibody levels remain stable regardless of food intake.
Can a positive VCA IgA mean I have cancer?
Not necessarily. Positive VCA IgA can be seen in active or past EBV infection, autoimmune conditions, and other inflammatory states. It is a screening marker, not a diagnostic test for cancer. Further evaluation by an ENT specialist is recommended if positive.
How is the result interpreted?
Results are reported as reactive or non-reactive (positive/negative). Quantitative values help track antibody trends. Persistent high VCA IgA levels warrant nasopharyngoscopy and imaging to rule out nasopharyngeal malignancy.
How to access the report?
Verified PDF report is available within 24 hours via www.drpatholab.in or WhatsApp/Email.
Test Description
Test Code
E08
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