MedSuite

EBV Viral Capsid Antigen (VCA) IgG

Infectious Disease

Normal Reference Ranges

Adult

Negative Index

Pediatric

Negative Index

Clinical Significance

Indicates past exposure to EBV. Used in conjunction with VCA IgM and EBNA IgG to diagnose infectious mononucleosis.

Causes of High

  • Past Epstein-Barr Virus (EBV) infection
  • Reactivation of latent EBV

Causes of Low

  • Susceptibility to EBV infection