Epstein-Barr Virus (EBV) VCA IgA and EBV EA IgA | KK Women's and Children's Hospital

Specimen Container	Gel separator tube (Adult) Microtube (Paeds)
Specimen Requirement	Plain Blood Adult: 5 mL Paediatric: 1.3 mL
Orderable as Urgent?	No
Turn Around Time	1 - 7 days
Testing Laboratory Location	SGH
Laboratory	Virology
Contact Number	6394 1352
Day and Time Performed	Mon – Fri: 0800 hrs - 1700 hrs Saturday: 0800 hrs - 1200 hrs Test setup every Wednesday morning.
Orderable on CPOE?	Yes
Downtime Form	Virology & Serology Tests
Additional Information	Since EBV Viral Capsid Antigen (VCA) IgA is more sensitive, and EBV Early Antigen (EA) IgA is more specific for diagnosing Nasopharyngeal Carcinoma (NPC), both tests should be ordered together .

Change History Notes

Last Updated - 27 May 2025