---
title: "Progesterone LC-MS Test: Accurate Levels for Cycle & Therapy"
description: "A high-accuracy LC-MS progesterone test for cycle tracking, luteal phase checks, and hormone therapy. Order direct and test at a local Quest lab."
canonical: "https://www.vitalsvault.com/biomarkers/progesterone-lc-ms"
last-updated: 2026-08-22
---

# Progesterone LC-MS Test: Accurate Levels for Cycle & Therapy

> A high-accuracy LC-MS progesterone test for cycle tracking, luteal phase checks, and hormone therapy. Order direct and test at a local Quest lab.

---

Canonical HTML: https://www.vitalsvault.com/biomarkers/progesterone-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)