---
title: "LD (Lactate Dehydrogenase) Test: What It Measures"
description: "LD measures a cell-damage enzyme in your blood to help explain inflammation or tissue injury, with easy ordering and Quest-based lab access via Vitals."
canonical: "https://www.vitalsvault.com/biomarkers/ld"
last-updated: 2026-08-22
---

# LD (Lactate Dehydrogenase) Test: What It Measures

> LD measures a cell-damage enzyme in your blood to help explain inflammation or tissue injury, with easy ordering and Quest-based lab access via Vitals.

---

Canonical HTML: https://www.vitalsvault.com/biomarkers/ld
- [llms.txt](https://www.vitalsvault.com/llms.txt)
- [sitemap.xml](https://www.vitalsvault.com/sitemap.xml)
- [Developer portal](https://www.vitalsvault.com/developers)