---
title: "Chicken Feathers E85 IgE Test: What It Measures"
description: "It measures IgE sensitization to chicken feather allergen (E85) to help assess allergy risk, with easy Quest-based ordering and PocketMD support."
canonical: "https://www.vitalsvault.com/biomarkers/chicken-feathers-e85-ige"
last-updated: 2026-08-22
---

# Chicken Feathers E85 IgE Test: What It Measures

> It measures IgE sensitization to chicken feather allergen (E85) to help assess allergy risk, with easy Quest-based ordering and PocketMD support.

---

Canonical HTML: https://www.vitalsvault.com/biomarkers/chicken-feathers-e85-ige
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