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VITALS VAULT BLOOD TESTING
Quest Diagnostics at 4101 Mexico Rd, Ste E
Saint Peters, MO
Quest Diagnostics - St Peters
Quest Diagnostics - St Peters is at 4101 Mexico Rd, Ste E, Saint Peters, MO 63376; Monday–Friday: 6:00 AM – 5:00 PM; Saturday: 7:00 AM – 1:00 PM; Sunday: Closed; phone: 636-441-2938.
YOUR VISIT
A little planning.
A simpler lab visit.
Opening hours
- Monday
- 6:00 AM – 5:00 PM
- Tuesday
- 6:00 AM – 5:00 PM
- Wednesday
- 6:00 AM – 5:00 PM
- Thursday
- 6:00 AM – 5:00 PM
- Friday
- 6:00 AM – 5:00 PM
- Saturday
- 7:00 AM – 1:00 PM
- Sunday
- Closed
Blood draw services provided by Quest Diagnostics
Report an issueORDER ONLINE, WALK IN
Skip the doctor's order, keep this lab
Pick your tests on Vitals Vault, check out, and walk in to this Quest location for your draw. Your results come back to your Vitals Vault account with a plain-language report.
- Essential Full Body120+ biomarkers$99
- Advanced Full Body140+ biomarkers$199
- Max Full Body160+ biomarkers$399
PLAN YOUR VISIT
Earliest Lab Appointment Available for 4101 Mexico Rd, Ste E, Saint Peters, MO 63376
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- 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.
- 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.
- 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.
“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
- Google Maps · Map data © GoogleO Fallon, MO
3449 Pheasant Meadow Dr, Ste 101
Quest Diagnostics · 63368 - Google Maps · Map data © GoogleChesterfield, MO
17300 N Outer 40, Ste 104
Quest Diagnostics · 63005 - Google Maps · Map data © GoogleMaryland Heights, MO
11636 Administration Dr
Quest Diagnostics · 63146-3534 - Google Maps · Map data © GoogleSaint Louis, MO
621 S New Ballas Rd, Suite 23
Quest Diagnostics · 63141
BEFORE YOUR BLOOD DRAW
Blood work in Saint Peters: common questions
Planning a visit to Quest Diagnostics in Missouri? Start here.
Can I get my Vitals Vault blood work at Quest Diagnostics in Saint Peters?
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 dashboardCan 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 testsWhere is this Quest Diagnostics location in Saint Peters, Missouri?
This Quest Diagnostics location is at 4101 Mexico Rd, Ste E, Saint Peters, MO 63376. Use the map and directions on this page to plan your route to the blood draw location.
View the location mapWhat are the opening hours at 4101 Mexico Rd?
Monday–Friday: 6:00 AM – 5:00 PM; Saturday: 7:00 AM – 1:00 PM; Sunday: Closed. Holiday hours may differ; follow your appointment confirmation.
View opening hoursWhich 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 testsDo 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 workHow can I find other Quest Diagnostics locations in Missouri?
Other listed locations include 3449 Pheasant Meadow Dr, Ste 101, O Fallon, MO 63368; 17300 N Outer 40, Ste 104, Chesterfield, MO 63005; 11636 Administration Dr, Maryland Heights, MO 63146-3534. This location is at 4101 Mexico Rd, Ste E, Saint Peters, MO 63376. 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 MissouriYOUR 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 Choose a package. Make it yours.