---
title: "LDL Particle Number (LDL-P) Test: What It Measures"
description: "LDL-P estimates how many LDL particles are in your blood to refine heart-risk beyond LDL-C, with easy ordering and Quest-based lab access via Vitals Vault."
canonical: "https://www.vitalsvault.com/biomarkers/ldl-particle-number"
last-updated: 2026-08-22
---

# LDL Particle Number (LDL-P) Test: What It Measures

> LDL-P estimates how many LDL particles are in your blood to refine heart-risk beyond LDL-C, with easy ordering and Quest-based lab access via Vitals Vault.

---

Canonical HTML: https://www.vitalsvault.com/biomarkers/ldl-particle-number
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