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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: (619) 219-9080

Closed now

  • Thu 7:00 AM - 3:30 PM

860 Jamacha Rd El Cajon, CA 92019 ·2143.46 mi

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Reviews

yelp
2.0 68 reviews
5 star
18 4 star
1 3 star
1 2 star
4 1 star
44
Lesley M. 03/12/26

Make an appointment! I think it's wild as fuck that every time I go to a Quest Diagnostics there's so many people sitting in the waiting room forever because they don't make appointments. It's...

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Sam F. 12/29/25

It's impossible to speak to an actual human being. What kind of dystopian future are we living in? I just wanna talk to a human being to book an appointment but for some reason, there's no...

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Mark S. 07/17/25

Beware, this place is always closed. It is open for business just a day or so then closed for multiple days. there web site stated that they are open, however they are closed. Quest is not good...

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Julia G. 01/23/26

I want to say Thank you so much for your help and amazing work Basma! Although this office is always busy, Basma and Laura always ready to assist with kindness and understanding.

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Me I. 10/23/25

Not one physical person there to help if the machines aren't working. Also apparently they let walk ins so habibis only and if your an time for your appt they make you wait to take this walk ins...

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