---
title: "IGF-1 (LC/MS) Test: What It Measures & What Results Mean"
description: "It measures IGF-1, a stable marker of growth hormone activity, and Vitals Vault lets you order through Quest and review results in PocketMD."
canonical: "https://www.vitalsvault.com/biomarkers/igf-1-lc-ms"
last-updated: 2026-08-22
---

# IGF-1 (LC/MS) Test: What It Measures & What Results Mean

> It measures IGF-1, a stable marker of growth hormone activity, and Vitals Vault lets you order through Quest and review results in PocketMD.

---

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