---
title: "Creatinine 24 Hour Urine Test: What It Measures"
description: "It measures how much creatinine you excrete in a full day to check collection quality and kidney function context, with easy ordering through Vitals."
canonical: "https://www.vitalsvault.com/biomarkers/creatinine-24-hour-urine"
last-updated: 2026-08-22
---

# Creatinine 24 Hour Urine Test: What It Measures

> It measures how much creatinine you excrete in a full day to check collection quality and kidney function context, with easy ordering through Vitals.

---

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