---
title: "Promyelocytes Test: What It Measures & What Results Mean"
description: "It measures immature granulocytes called promyelocytes in your blood smear or marrow, with ordering and results support through Vitals Vault/Quest."
canonical: "https://www.vitalsvault.com/biomarkers/promyelocytes"
last-updated: 2026-08-22
---

# Promyelocytes Test: What It Measures & What Results Mean

> It measures immature granulocytes called promyelocytes in your blood smear or marrow, with ordering and results support through Vitals Vault/Quest.

---

Canonical HTML: https://www.vitalsvault.com/biomarkers/promyelocytes
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