Quest Diagnostics

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15000 Kensington Park Dr Ste 190
Tustin, CA 92782

Quest Diagnostics in Tustin, CA is a leading provider of comprehensive laboratory testing services, offering a wide range of tests for patients and healthcare professionals. From COVID-19 testing to testing for various conditions, patients can conveniently make appointments, access their test results online, and even buy their own lab tests without a doctor's visit. With a focus on efficiency and accuracy, Quest Diagnostics is committed to providing trusted information and fast action during the COVID-19 health crisis.

Healthcare professionals can also benefit from Quest Diagnostics' services, including access to a comprehensive test directory, billing coding guidelines, and lab tools to streamline their workflow. Additionally, the company offers clinical consultations from industry-leading medical experts, allowing healthcare professionals to complement their expertise and provide the best possible care to their patients. With a commitment to innovation and efficiency, Quest Diagnostics is a trusted partner in the field of laboratory testing.

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Reviews

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2.5106 reviews
Photo of Gerina O.
Gerina O.
7/31/2025

Check in is near the urgent care check in for HOAG. There are a couple of kiosks where you check in. You need your driver's license and insurance card if you're a walk in. Check in was pretty fast...

M. Cheryl O.
12/2/2025

This facility is poorly staffed. An office manager could alleviate much of the angst that I experience EVERY time I have an appointment. Even with my appointment there was a 20-minute wait. I had...

Sherry S.
12/9/2025

I typically had no problem with this Quest, location; however, I recently went in and it was not a good experience. The technicians need to realize that they are dealing with "patients" with...

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Ghh K.
9/20/2025

I wish to give them zero star, this location of lab quest ( Tustin) so bad, Messy, no respect for the other's appointments time .They will make you wait forever even if you have appointment with...

Kylia L.
11/29/2025

Did a walkin and only needed to wait 40 when it told me 30-60 mins. The guy was really nice and it was quick and easy.

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