---
title: "Blood Urea Nitrogen (BUN) Test: Ranges & Results"
description: "Learn what blood urea nitrogen measures, typical BUN ranges, and what high or low urea nitrogen results may mean for kidney and metabolic health."
canonical: "https://www.vitalsvault.com/biomarkers/urea-nitrogen-bun"
last-updated: 2026-08-22
---

# Blood Urea Nitrogen (BUN) Test: Ranges & Results

> Learn what blood urea nitrogen measures, typical BUN ranges, and what high or low urea nitrogen results may mean for kidney and metabolic health.

---

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