---
title: "Quest Diagnostics - King of Prussia at 491 Allendale Rd, King Of Prussia | Vitals Vault"
description: "Quest Diagnostics at 491 Allendale Rd, King Of Prussia, PA. Order Vitals Vault blood testing online from $99.00, then schedule your Quest blood draw in your dashboard. See hours and directions."
canonical: "https://www.vitalsvault.com/locations/pa/king-of-prussia/491-allendale-rd-19406"
last-updated: 2026-08-22
---

# Quest Diagnostics - King of Prussia at 491 Allendale Rd, King Of Prussia | Vitals Vault

> Quest Diagnostics at 491 Allendale Rd, King Of Prussia, PA. Order Vitals Vault blood testing online from $99.00, then schedule your Quest blood draw in your dashboard. See hours and directions.

---

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