---
title: "Venom Yellow Jacket (Vespula spp) IgG4 Test"
description: "It measures IgG4 antibodies to yellow jacket venom to help contextualize exposure and immunotherapy response, with Quest lab ordering via Vitals Vault."
canonical: "https://www.vitalsvault.com/biomarkers/venom-yellow-jacket-vespula-spp-igg4"
last-updated: 2026-08-22
---

# Venom Yellow Jacket (Vespula spp) IgG4 Test

> It measures IgG4 antibodies to yellow jacket venom to help contextualize exposure and immunotherapy response, with Quest lab ordering via Vitals Vault.

---

Canonical HTML: https://www.vitalsvault.com/biomarkers/venom-yellow-jacket-vespula-spp-igg4
- [llms.txt](https://www.vitalsvault.com/llms.txt)
- [sitemap.xml](https://www.vitalsvault.com/sitemap.xml)
- [Developer portal](https://www.vitalsvault.com/developers)