---
title: "Folate Serum Test: What It Measures & What Results Mean"
description: "It measures vitamin B9 in your blood to help assess deficiency risk and anemia causes, with convenient ordering and Quest-based lab access via Vitals."
canonical: "https://www.vitalsvault.com/biomarkers/folate-serum"
last-updated: 2026-08-22
---

# Folate Serum Test: What It Measures & What Results Mean

> It measures vitamin B9 in your blood to help assess deficiency risk and anemia causes, with convenient ordering and Quest-based lab access via Vitals.

---

Canonical HTML: https://www.vitalsvault.com/biomarkers/folate-serum
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