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    Quest Diagnostics

    3.3 (24 reviews)
    Closed 7:30 am - 12:00 pm, 1:00 PM - 3:30 PM

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    2 months ago

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    5 months ago

    Lisa was great! I didn't have an appointment and came in as a walk on. She explained the whole process and got me in right away.

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    3 months ago

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    6 months ago

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    1 year ago

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    8 months ago

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    1 year ago

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    2 years ago

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    1 year ago

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    8 months ago

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    4 years ago

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    1 year ago

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    2 years ago

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    1 year ago

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    2 years ago

    They are very nice in there. Quick to help and if there is a problem they explain how you can fix it. Who to talk to.

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    2 years ago

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    3 years ago

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    3 years ago

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    2 years ago

    Impossible to talk to a human via telephone. They're fine once you get there .........

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    3 years ago

    It's quick and easy the staff at the Yucaipa office are always very nice and friendly.

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    4 years ago

    Easy check in process and quick service. No issue at all with the service. I would not hesitate to return.

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    4 years ago

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    Ask the Community - Quest Diagnostics

    Review Highlights - Quest Diagnostics

    I was not sure the procedure of my lab work but staff there was super friendly and helpful especially Lisa.

    Mentioned in 3 reviews

    Read more highlights

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    Jackson Lab Services

    Jackson Lab Services

    (2 reviews)

    Serious concern with DOT testing procedures at this location. I arrived about an hour before…read moreclosing for a urine test and was not properly informed of the full 3-hour "shy bladder" process required under DOT regulations. Staff told me I only had until their closing time instead of the full window, and I was never clearly advised that leaving early could be marked as a refusal. Because of this, the situation appears to qualify as a collector/procedural error. Cutting the process short due to business hours and failing to properly inform the donor is not acceptable when handling federally regulated tests. This is not just poor service--this directly affects people's livelihoods. I have proof of my arrival and departure times. If you perform DOT testing, you are expected to follow proper procedures, not convenience. Updating my review after speaking directly with the lab. Instead of addressing my concerns professionally, the situation escalated. During the recorded call (after informing them it was being recorded), I was told: "You can come get a second test... read between the lines... you know the address, pull up if you want to." Given the context, this came across as a threatening and highly unprofessional statement rather than an attempt to resolve the issue.

    Warning: Worst place you could ever get your lab service done! Had a parental test done for my…read morebrother it's been almost 3 months and still can't get the results! They only caused stress, anxiety, and waste of time. Very poor communication and they only used excuses that they will have it certain date and time and when it comes to the date and time they don't won't answer you or they come with another excuse. I asked them for my refund so they don't have to deal with me calling them and bothering them every day (vice versa) they won't refund me so in other words I lost my $485 and until now I have received the results. DONT GET YOUR LAB SERVICE DONE IN THIS PLACE. If I could give them NO STAR at all, it would've been great!

    Quest Diagnostics - laboratorytesting - Updated May 2026

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