---
title: "EBV VCA IgG Antibody Test: What It Measures"
description: "It shows whether you’ve had EBV in the past and helps interpret mono-like symptoms, with convenient ordering and Quest-based lab testing via Vitals Vault."
canonical: "https://www.vitalsvault.com/biomarkers/epstein-barr-virus-viral-capsid-antigen-vca-antibody-igg"
last-updated: 2026-08-22
---

# EBV VCA IgG Antibody Test: What It Measures

> It shows whether you’ve had EBV in the past and helps interpret mono-like symptoms, with convenient ordering and Quest-based lab testing via Vitals Vault.

---

Canonical HTML: https://www.vitalsvault.com/biomarkers/epstein-barr-virus-viral-capsid-antigen-vca-antibody-igg
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