---
title: "Beta 2 Microglobulin Serum Test: What It Measures"
description: "It measures beta-2 microglobulin to help assess kidney filtration and immune cell turnover, with convenient ordering and Quest lab access via Vitals Vault."
canonical: "https://www.vitalsvault.com/biomarkers/beta-2-microglobulin-serum"
last-updated: 2026-08-22
---

# Beta 2 Microglobulin Serum Test: What It Measures

> It measures beta-2 microglobulin to help assess kidney filtration and immune cell turnover, with convenient ordering and Quest lab access via Vitals Vault.

---

Canonical HTML: https://www.vitalsvault.com/biomarkers/beta-2-microglobulin-serum
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