---
title: "D Pteronyssinus Mite IgG4 Test: What It Measures"
description: "It measures IgG4 antibodies to dust mite (D. pteronyssinus) to help add context to exposure and symptoms, with easy ordering through Vitals Vault/Quest."
canonical: "https://www.vitalsvault.com/biomarkers/d-pteronyssinus-mite-igg4"
last-updated: 2026-08-22
---

# D Pteronyssinus Mite IgG4 Test: What It Measures

> It measures IgG4 antibodies to dust mite (D. pteronyssinus) to help add context to exposure and symptoms, with easy ordering through Vitals Vault/Quest.

---

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