---
title: "Cortisol Free 24 Hour Urine Test: What It Measures"
description: "It measures your total free cortisol output over 24 hours to assess cortisol excess or suppression, with easy ordering and Quest collection via Vitals."
canonical: "https://www.vitalsvault.com/biomarkers/cortisol-free-24-hour-urine"
last-updated: 2026-08-22
---

# Cortisol Free 24 Hour Urine Test: What It Measures

> It measures your total free cortisol output over 24 hours to assess cortisol excess or suppression, with easy ordering and Quest collection via Vitals.

---

Canonical HTML: https://www.vitalsvault.com/biomarkers/cortisol-free-24-hour-urine
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