---
title: "Allergen Specific IgE Lactase Test: What It Measures"
description: "It measures IgE antibodies to lactase to assess rare allergy-type sensitization, with convenient ordering and Quest lab draw through Vitals Vault."
canonical: "https://www.vitalsvault.com/biomarkers/allergen-specific-ige-lactase"
last-updated: 2026-08-22
---

# Allergen Specific IgE Lactase Test: What It Measures

> It measures IgE antibodies to lactase to assess rare allergy-type sensitization, with convenient ordering and Quest lab draw through Vitals Vault.

---

Canonical HTML: https://www.vitalsvault.com/biomarkers/allergen-specific-ige-lactase
- [llms.txt](https://www.vitalsvault.com/llms.txt)
- [sitemap.xml](https://www.vitalsvault.com/sitemap.xml)
- [Developer portal](https://www.vitalsvault.com/developers)