Epstein Barr Virus EA IgA
Also Known As
Test Parameters Included
- Serum Epstein-Barr Virus Early Antigen IgA Antibody Concentration (IU/mL) - semi-quantitative ELISA readout
- Pathologist Immunology Remark - correlated against NPC risk reference intervals
Department
Methodology
Sample Required
Preparation
Schedule Report
24 Hours
Emergency Report
Yes
Frequently Asked Questions
What does EBV EA IgA test measure?
It detects IgA-class antibodies against the Early Antigen (EA) of Epstein-Barr Virus. Elevated levels are associated with active EBV replication and are used as a serological marker for nasopharyngeal carcinoma (NPC) risk screening.
Is fasting required for this test?
No, fasting is not required for EBV EA IgA. Serum can be collected at any time of day without dietary restrictions.
What do positive EBV EA IgA results mean?
A positive result suggests recent or active EBV infection and may indicate increased risk for nasopharyngeal carcinoma, especially in endemic populations. It requires clinical correlation and may prompt further ENT evaluation or imaging.
Who should get this test?
It is recommended for individuals with symptoms suggestive of NPC (persistent nasal obstruction, epistaxis, unilateral hearing loss, cervical lymphadenopathy), those with a family history of NPC, or residents of endemic regions such as parts of India, Southern China, and Southeast Asia.
How is the result interpreted?
Results are reported as negative, borderline, or positive based on established cutoff values. Positive EA IgA alone does not confirm cancer but warrants follow-up with an ENT specialist for nasopharyngoscopy and additional investigations.
What is the turnaround time?
Reports are typically available within 24–48 hours. Verified PDF reports can be accessed via www.drpatholab.in or through WhatsApp/Email from Dr. Patho Labs & Diagnostics, Chhatrapati Sambhajinagar.
Test Description
Test Code
E05
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