---
title: "Hazel Nut Tree T4 IgE Test: What It Measures"
description: "It measures IgE sensitization to hazel nut tree allergen (T4) to help explain allergy symptoms and guide next steps, with easy ordering through Vitals."
canonical: "https://www.vitalsvault.com/biomarkers/hazel-nut-tree-t4-ige"
last-updated: 2026-08-22
---

# Hazel Nut Tree T4 IgE Test: What It Measures

> It measures IgE sensitization to hazel nut tree allergen (T4) to help explain allergy symptoms and guide next steps, with easy ordering through Vitals.

---

Canonical HTML: https://www.vitalsvault.com/biomarkers/hazel-nut-tree-t4-ige
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