---
title: "Cortisol Free and Total (LC/MS) Test: What It Measures"
description: "It measures both free and total cortisol in blood to clarify stress-hormone status and binding effects, with convenient ordering through Vitals Vault labs."
canonical: "https://www.vitalsvault.com/biomarkers/cortisol-free-and-total-lc-ms"
last-updated: 2026-08-22
---

# Cortisol Free and Total (LC/MS) Test: What It Measures

> It measures both free and total cortisol in blood to clarify stress-hormone status and binding effects, with convenient ordering through Vitals Vault labs.

---

Canonical HTML: https://www.vitalsvault.com/biomarkers/cortisol-free-and-total-lc-ms
- [llms.txt](https://www.vitalsvault.com/llms.txt)
- [sitemap.xml](https://www.vitalsvault.com/sitemap.xml)
- [Developer portal](https://www.vitalsvault.com/developers)
