Brand Certified
Quest Diagnostics
4.0(121 reviews)
Certified by Quest Diagnostics • Apr 05, 2026
Business Details
234 W Caroline St, Fenton, MI
48430, United States
Certified by Quest Diagnostics • Apr 05, 2026
(248) 230-0843
Certified by Quest Diagnostics • Apr 05, 2026
https://locations.questdiagnostics.com/mi/fenton/234-w-caroline-st
Certified by Quest Diagnostics • Apr 05, 2026
About
Certified by Quest Diagnostics • Apr 05, 2026
Family Medicine
The Quest Diagnostics difference. Bringing together quality, speed, and technology to power advanced, affordable diagnostics for all. No trade-offs required.
Location
Certified by Quest Diagnostics • Apr 05, 2026
Hours
Certified by Quest Diagnostics • Apr 05, 2026
Monday6:00 AM - 3:00 PM
Tuesday6:00 AM - 3:00 PM
Wednesday6:00 AM - 3:00 PM
Thursday6:00 AM - 3:00 PM
Friday6:00 AM - 3:00 PM
Saturday7:00 AM - 11:00 AM
SundayClosed
Reviews
4.0
121 reviews
5 stars
83
4 stars
6
3 stars
3
2 stars
3
1 star
26
- DBDiane ByersMar 31, 20265.0The friendly, competent nurses at the Caroline Street, Fenton, Michigan are the best! Very thoughtful!❤️
- JIJadzia IronsMar 14, 20265.0My phlebotomist is amazing. I've had her the last 4 times in a row. She is so pleasant, and easy to talk to. I'm skiddish around needles, but she's so calming that I haven't had any issues. She's always a please to chat with! I dislike having blood drawn, but she makes me want to come back. 10/10, would recommend ❣️
- TDTheresa DoyleMar 4, 20265.0Quick and easy. The tech was friendly and did a great job drawing the blood.
- LHLisa HoganFeb 21, 20261.0Literally go ANYWHERE but this location. Grand Blanc is sooo much better. Waited over 90 mins and I had an appointment first thing in the am, not a walk in . There were over 18 ppl waiting. After 90 mins, they tell me my dr orders were not in which was a lie because I booked the appt online and saw it. Had the dr fax it to them, waited 30 more mins, dr confirmed they faxed but the staff here said they didnt have it. I left and went to Grand Blanc who magically had everything in their system and I was out un 10 mins. The Fenton facility is dirty and smells as well. Yuck!!!!!
- CCCraigFeb 18, 20265.0The location was nice with ample parking. There was no handicap entrance. The staff was curteous and kind. I was seen in a good amount of time and the service didn't take long at all. It was painless. Check-in was easy at the kiosk.
Frequently Asked Questions About Quest Diagnostics
What do I need to know before I arrive at a Quest Patient Service Center?
Please be aware that when you visit a Quest Patient Service Center:
• Scheduled appointments are strongly encouraged and will receive priority. Please arrive and check in 10 minutes before your appointment time. If you check in more than 10 minutes late for your appointment, you will be served as a walk-in.
• If you walk in, you will have to wait for the next available opening.
Do you accept walk-ins?
Scheduled appointments are strongly encouraged and will receive priority. If you walk in, you will have to wait for the next available opening.
Should I be fasting?
Fasting before a blood draw means you don’t eat or drink anything except water. If your test requires it, don't forget to fast for 8-12 hours before your appointment. If you’re not sure, contact your doctor's office. To learn more about how to prepare for your test, visit QuestDiagnostics.com/patients/get-tested/prepare/fasting for additional fasting information.
What should I bring to my appointment?
Please arrive and check in 10 minutes before your appointment time. If you check in more than 10 minutes late for your appointment, you will be served as a walk-in.
You should bring the following to your appointment:
•A lab order from your doctor. If your doctor did not give you a paper order, check with them to see if they sent it electronically.
•Photo identification listing your first name, last name, and date of birth (for example, a driver's license, government issued photo ID, Passport, or Green Card).
•Current health insurance information.
•Credit, debit, or health savings card. You will be asked to preauthorize payment for any balance due after your insurance is billed.
It’s important to also know if your test requires fasting the day before and/or morning of your appointment. Your healthcare provider should have indicated this on your lab order or during your visit. Learn more about fasting before a lab test.
Note: Childcare is not available and the waiting area is not attended. Some testing protocols, such as drug screenings or pre-employment screenings, have strict rules which do not allow children to accompany the patient during sample collection. If you have questions about your testing protocols, please contact your healthcare professional or employer for additional information.
How do I check in when I arrive?
Sign in using the Check-in kiosk, or if not available, sign the clipboard at the front desk. Please be prepared to present a valid photo ID and insurance information. Be sure to mark the reason for your visit when signing in.
If you were unable to preregister ahead of time, and would like to do so, you may be able to complete the registration process if you arrive a few minutes early at a Quest Patient Service Center that has a Check-in kiosk. When you check in with your mobile number, you may be asked if you want to complete the registration process on your smartphone while you wait.
My doctor told me they would send over an order. Do you have it?
If your doctor said they would send us the order electronically or via fax, there is no need to confirm that we have the order. If we do not have the order, we will call the doctor to obtain it when you arrive at our Quest Patient Service Center. To prevent delays, be sure to visit our location during your doctor’s office hours or obtain a copy of your order from your doctor.
How soon after my visit will my doctor receive my lab test results?
Turnaround times for test results can vary. If you have a MyQuest account, your test results will be delivered to your account as soon as they are available. This can take 2-5 business days from the time the sample is received, depending on your test.
You should always follow up with your doctor to discuss your results.
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