Synonym(s):
EBV VCA IgG, EBV VCA IgG Antibody, EBV Viral Capsid Ag IgG, EBV VCA IgM, EBV VCA IgM Antibody, EBV Viral Capsid Ag IgM, EBV Ea IgA, EBV Ea IgA Antibody, EBV Early Antigen IgA, EBV VCA IgA, EBV VCA IgA Antibody, EBV Viral Capsid Ag IgA
Epstein-Barr virus VCA IgM Epstein-Barr virus VCA IgG EBV EA & VCA IgA Panel
3 – 5 mL plain blood. (a) To diagnose acute infection, send single sample for EBV VCA IgM and second serum taken 10 – 14 days later if indicated. (b) To diagnose previous infection, send single sample for EBV VCA IgG. (c) To screen and aid in the diagnosis of nasopharyngeal carcinoma (NPC), send blood for EBV EA & VCA IgA Panel.
Refrigerate samples if delay in transporting to laboratory is anticipated. Do not freeze.
EBV VCA IgM & IgG: Chemiluminescent Microparticle Immunoassay
EBV EA & VCA IgA Panel: Immunofluorescence assay
Acute infection: EBV VCA IgM positive or paired sera showing seroconversion Previous (latent) infection: EBV VCA IgG positive EBV-EA IgA: Negative or Positive (Titre)
EBV-VCA IgA: Negative or Positive (Titre)
The assay performance was validated in our laboratory in accordance with the College of American Pathologists (CAP) guidelines.
EBV VCA IgM/IgG : <1 – 4 daysEBV EA & VCA IgA Panel : <1 - 7 days
EBV VCA IgM/IgG : Tuesday and Friday
EBV EA & VCA IgA Panel : Wednesday morning
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