---
title: "Russian Thistle W11 IgG Test: What It Measures"
description: "It measures IgG antibodies to Russian thistle to map immune exposure patterns, with ordering and clear next steps through Vitals Vault/Quest labs."
canonical: "https://www.vitalsvault.com/biomarkers/russian-thistle-w11-igg"
last-updated: 2026-08-22
---

# Russian Thistle W11 IgG Test: What It Measures

> It measures IgG antibodies to Russian thistle to map immune exposure patterns, with ordering and clear next steps through Vitals Vault/Quest labs.

---

Canonical HTML: https://www.vitalsvault.com/biomarkers/russian-thistle-w11-igg
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