---
title: "Zinc Protoporphyrin (ZPP) Test: What It Measures"
description: "It checks iron supply to red blood cells and lead-related heme disruption, with easy ordering and Quest-based lab draw options via Vitals Vault."
canonical: "https://www.vitalsvault.com/biomarkers/zinc-protoporphyrin-zpp"
last-updated: 2026-08-22
---

# Zinc Protoporphyrin (ZPP) Test: What It Measures

> It checks iron supply to red blood cells and lead-related heme disruption, with easy ordering and Quest-based lab draw options via Vitals Vault.

---

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