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Quest Diagnostics Medical Laboratory

The Quest Diagnostics difference. Bringing together quality, speed, and technology to power advanced, affordable diagnostics for all. No trade-offs required.

Website: questdiagnostics.com

Phone: (909) 466-1964

Closed now

  • Sat Closed

10399 Lemon Ave, Ste 104 Rancho Cucamonga, CA 91737 ·2147.95 mi

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Reviews

yelp
3.0 139 reviews
5 star
50 4 star
14 3 star
9 2 star
6 1 star
60
Brittany A. 05/27/26

Way better experience! So grateful I got a very kind and gentle phlebotomist. I had to do my labs laying down. She continued to check on me and keep asking if I was okay as it was a lot of blood...

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Danielle P. 05/05/25

New insurance brought me to this lab today. I was able to create an account online and make an appointment easily. I feel like they had way more availability for appointments than the previous lab...

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Mady W. 09/18/26

This location should be avoided at all measures. i waited 2 hours and was never called. when i tried to speak to the staff they lied and said they would send someone to answer my questions....

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Ashley C. 07/31/26

Worst experience ever. Rude staff, extremely unprofessional. Would give zero stars. Drive a little further to find a better location. Quest in Upland is amazing. This place needs to be shut down

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Julie L. 03/19/26

The woman who tried to take my blood blamed me for her not being able to draw my blood even though I told her I have small veins. She tried three times and said I had to come back when I've drank...

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