---
title: "Quest Diagnostics location at 15945 Clayton Rd, Ballwin | Vitals Vault"
description: "Quest Diagnostics at 15945 Clayton Rd, Ballwin, MO. 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/mo/ballwin/15945-clayton-rd-63011"
last-updated: 2026-08-22
---

# Quest Diagnostics location at 15945 Clayton Rd, Ballwin | Vitals Vault

> Quest Diagnostics at 15945 Clayton Rd, Ballwin, MO. Order Vitals Vault blood testing online from $99.00, then schedule your Quest blood draw in your dashboard. See hours and directions.

VITALS VAULT BLOOD TESTING

# Quest Diagnostics at 15945 Clayton Rd, Ste 100
*Ballwin, MO*

Quest Diagnostics location

Quest Diagnostics location is at 15945 Clayton Rd, Ste 100, Ballwin, MO 63011; Monday–Friday: 6:30 am-5:00 pm; Saturday–Sunday: Closed; phone: 636-487-2771.

[Choose your panel](https://www.vitalsvault.com/checkout?mode=build-your-own-panel)

Quest Diagnostics

## 15945 Clayton Rd, Ste 100

Ballwin, MO 63011

[636-487-2771](tel:6364872771)[Directions](https://www.google.com/maps/dir/?api=1&destination=15945%20Clayton%20Rd%2C%20Ste%20100%2C%20Ballwin%2C%20MO%2063011)

[View hours and map](https://www.vitalsvault.com/locations/mo/ballwin/15945-clayton-rd-63011#visit-details)

YOUR VISIT

## A little planning.
*A simpler lab visit.*

[Open in Google Maps](https://www.google.com/maps/dir/?api=1&destination=15945%20Clayton%20Rd%2C%20Ste%20100%2C%20Ballwin%2C%20MO%2063011)

### Opening hours

Monday6:30 am-5:00 pm

Tuesday6:30 am-5:00 pm

Wednesday6:30 am-5:00 pm

Thursday6:30 am-5:00 pm

Friday6:30 am-5:00 pm

SaturdayClosed

SundayClosed

Blood draw services provided by **Quest Diagnostics**

[Report an issue](https://www.vitalsvault.com/contact#contact-form)

PLAN YOUR VISIT

## Earliest Lab Appointment Available for 15945 Clayton Rd, Ste 100, Ballwin, MO 63011

See the next available times at this Quest location.

Checking current appointment availability…

THREE SIMPLE STEPS

## From your first test
*to your next step.*

Start online. Visit the lab. Explore what your results mean for you.

[Explore how it works](https://www.vitalsvault.com/how-it-works)

1. 01

### Make it your panel.

Choose a base package or build your own panel around your health goals. Check out online to receive your lab instructions.

2. 02

### Make time for your blood draw.

Follow your order instructions to choose an available Quest location and plan your appointment or walk-in visit.

3. 03

### Make sense of your results.

Explore your Functional Health Report, with plain-English explanations and a history you can compare over time.

MEMBER REVIEWS

## What Vitals Vault members say.

[Leave a Google review](https://g.page/r/CXDLjAbfmov4EBM/review)

> “Annual physicals always felt incomplete. Vitals Vault gave me the full picture for the first time.”

> “I never imagined one panel could reveal so much about my heart, metabolism, and hormones all at once.”

> “With Vitals Vault, I finally understood how all my systems connect. It’s not just numbers, it’s actionable insights.”

EXPLORE MORE LABS

## Other Quest Diagnostics locations

[Browse Missouri](https://www.vitalsvault.com/locations/mo)

-

Google Maps · Map data © Google

Chesterfield, MO

### 17300 N Outer 40, Ste 104

Quest Diagnostics · 63005

-

Google Maps · Map data © Google

Eureka, MO

### 98 The Legends Pkwy, Ste 108

Quest Diagnostics · 63025

-

Google Maps · Map data © Google

Saint Louis, MO

### 701 S New Ballas Rd

Quest Diagnostics · 63141

-

Google Maps · Map data © Google

Saint Louis, MO

### 621 S New Ballas Rd, Suite 23

Quest Diagnostics · 63141

BEFORE YOUR BLOOD DRAW

## Blood work in Ballwin: common questions

Planning a visit to Quest Diagnostics in Missouri? Start here.

[Build your health panel](https://www.vitalsvault.com/checkout?mode=build-your-own-panel)

Can I get my Vitals Vault blood work at Quest Diagnostics in Ballwin?

Vitals Vault orders can be collected at available Quest Diagnostics locations. Order your testing through Vitals Vault first, then use your dashboard to confirm this location is available for your order before scheduling your blood draw.

How do I arrange my blood draw through Vitals Vault?

Choose your panel and complete your order online. Then sign in to your Vitals Vault dashboard to select an available Quest location, date, and time. Follow the preparation instructions provided before your appointment.

[Schedule through your Vitals Vault dashboard](https://www.vitalsvault.com/dashboard)

Can I purchase Vitals Vault testing at this Quest location?

No. Purchase your panel or individual tests online through Vitals Vault before your visit. Quest handles the sample collection for your Vitals Vault order.

[Explore panels and tests](https://www.vitalsvault.com/checkout?mode=build-your-own-panel)

Where is this Quest Diagnostics location in Ballwin, Missouri?

This Quest Diagnostics location is at 15945 Clayton Rd, Ste 100, Ballwin, MO 63011. Use the map and directions on this page to plan your route to the blood draw location.

[View the location map](https://www.vitalsvault.com/locations/mo/ballwin/15945-clayton-rd-63011#visit-details)

What are the opening hours at 15945 Clayton Rd?

Monday–Friday: 6:30 am-5:00 pm; Saturday–Sunday: Closed. Holiday hours may differ; follow your appointment confirmation.

[View opening hours](https://www.vitalsvault.com/locations/mo/ballwin/15945-clayton-rd-63011#visit-details)

Which blood tests can I include in a Vitals Vault panel?

The panel builder lets you explore tests by health area, including blood counts, metabolic health, cholesterol, hormones, and nutrients. Review each package or test to see what is included. Your lab order determines which tests are collected at your visit.

[See available tests](https://www.vitalsvault.com/checkout?mode=build-your-own-panel)

Do I need to fast before my blood draw?

Fasting depends on the tests in your order. Follow the preparation instructions provided for your panel, including how long to fast if required. During a required fast, Quest advises drinking only water. Ask your clinician about medications or supplements rather than changing them yourself.

What should I bring to my Quest blood draw?

Have your lab order or the electronic order details available, and bring photo identification. Keep your appointment confirmation handy if you booked ahead. Follow any additional instructions provided with your Vitals Vault order.

How do I view results from my Vitals Vault blood work?

For testing ordered through Vitals Vault, sign in to your Vitals Vault account to view your results and Functional Health Report when available. Timing depends on the tests ordered and laboratory processing. Your report includes explanations and a history you can compare over time.

[How Vitals Vault results work](https://www.vitalsvault.com/how-it-works)

How can I find other Quest Diagnostics locations in Missouri?

Other listed locations include 17300 N Outer 40, Ste 104, Chesterfield, MO 63005; 98 The Legends Pkwy, Ste 108, Eureka, MO 63025; 701 S New Ballas Rd, Saint Louis, MO 63141. This location is at 15945 Clayton Rd, Ste 100, Ballwin, MO 63011. Browse the Missouri directory for more addresses, and use your Vitals Vault dashboard to choose an available location and schedule your appointment.

[Browse labs in Missouri](https://www.vitalsvault.com/locations/mo)

YOUR HEALTH, YOUR NEXT MOVE

## Start with a test.
*See the bigger picture.*

Find a panel that fits your goals and take the first step toward understanding your health.

[Choose your panel](https://www.vitalsvault.com/checkout?mode=build-your-own-panel)Choose a package. Make it yours.

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