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Quest Diagnostics

2.9 (134 reviews)
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Updated over 3 months ago

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Kiosks
Danielle P.

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 I went to. There's no reception, just kiosks to check in once you enter the waiting room. It was midday so it wasn't very busy. It was just a simple blood draw for routine tests. The staff I interacted with were friendly and efficient. I actually really liked this location! I was out of there in 15 minutes.

Self check-in kiosk
Jeanette P.

My first time here. A little hard to find as there's no obvious sign, but head to the western side lot, and walk through the side door. The lab is the final door on the right. Inside, it's clean and bright. There is no check-in desk or person to receive you. Check in at one of the 3 kiosks (two were functioning). Folks helped others who got stymied by that process. By doing all ahead of time on the app, you'll get a message link to click and avoid the kiosk. I got called 10 minutes after my scheduled appointment time, which really isn't bad. Folks were being called at a fairly fast clip. My phlebotomist was friendly, thorough, and blissfully drew painlessly, without so much as a drop of blood or bruise.

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6 months ago

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3 days ago

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2 months ago

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1 year ago

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2 years ago

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1 month ago

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2 months ago

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2 months ago

Slow and overbooked. Too many appointments and it takes too long to schedule one. Go anywhere else!

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3 months ago

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6 months ago

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4 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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10 months ago

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11 months ago

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1 year ago

Don't go in as a walk in. Make an appointment. The staff is great! I prefer going here than anywhere else

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2 years ago

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1 year ago

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2 years ago

Make an appt. There is always a long wait for walk-ins. Nurses are always nice and helpful.

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3 years ago

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1 year ago

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3 years ago

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3 years ago

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1 year ago

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2 years ago

Very bad! Space is dirty, and staff is so rude! Nobody answer your question. Don't come this Quest!

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3 years ago

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3 years ago

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2 years ago

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6 years ago

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Quest Support

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2 years ago

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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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3 years ago

Very easy to schedule an appointment online ,great experience at Rancho Cucamonga location, clean , very organized office, friendly staff.

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5 years ago

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2 years ago

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Ask the Community - Quest Diagnostics

Whats the earliest time you accept walk ins?

I'm not 100% sure but I would think they would be okay with seeing you once they open, 5:00am. Hope I'm not incorrect.😬😄☺️

View All 3 Questions

Review Highlights - Quest Diagnostics

I absolutely hate getting my blood drawn but I came here for the first time today and it was the best experience I've had.

Mentioned in 11 reviews

Read more highlights

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Labcorp

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Went there for the first time today and was expecting worse since I read the reviews for fun. I…read morehad a set appointment at 11, arrived around 10:15, checked in, and was served right around 11. I did not experience any rude ladies there at the front desk. In fact, the gentleman at the front desk helped me with an issue and was actually nice to all others who went to ask for assistance. He was even pretty patient with non-English speaking people. The nurses do cycle to the front desk, but they go only to call the next person. What I did see were a few people (about 3-4 in the 45 mins that I was in the waiting room) coming in right at their appointment times expecting to be served immediately, without checking in. It's not accurate if you don't know the process. Let's be real, an appointment gets a planned time, but if they are early/late a bit, that's expected as these offices get LOTS of people who need lab work. A walk-in without an appointment at 10:15 had an estimated service time of 2:30 pm. Better to make an appointment. The nurse that took my blood was nice and professional! Visit this place for your lab work, just don't expect to be treated like you're at a 5-star resort and you'll be fine!

Everyone, patients and employees, are angry and rude. It is not a good place to be unless you want…read moreto lose faith in humanity. I witnessed patients being rude to each other, and patients being rude to the employees regarding the long wait times. It felt very uncomfortable to witness while sitting in the waiting room. Also, I waited for over two hours here, and then they turned me away because they said they are too full for today. Then, they told me to show up at 7 am tomorrow to get in line for them to open at 8 am. They did not apologize or seem sorry to say this to me. Management should make this place appointment-only if they cannot handle walk-ins. ALSO, if a Labcorp member is planning on leaving me a generic response to this Yelp review like: "Hi, We are sorry to hear that this was your experience at the Upland, CA Patient Service Center. Thank you for bringing this to our attention. We will look into this issue further." Just know that that is a USELESS comment for me and anyone else coming to your business. Why give me an extremely generic response to my message if you aren't going to fix this? Maybe actually fix the wait times by getting rid of walk-ins or having a much easier, well-functioning scheduling system. If it is fixed, then I will value your response.

Quest Diagnostics - Plenty of seating

Quest Diagnostics

(108 reviews)

I have had some blood draws done here in the past for personal and work reasons. This last time I…read morewent, the process was pretty quick as I did set up an appointment ahead of time. The lady who drew my blood was very nice and professional. I didn't even feel it! The office was clean. Good location. It is next to a store where I was able to go get some waters to keep hydrated for my draw and to get a drink and snack for my friend who was waiting. I definitely recommend this facility for this type of medical needs!

I've been to Quest Diagnostics multiple times, and I want to start by saying that this facility is…read moreconsistently clean, and most of the phlebotomists I've encountered have been kind, professional, and efficient. That's why this review is so disappointing to write. On April 15th, I had a very negative experience with a phlebotomist named Michelle. From the moment I sat down, she was cold and dismissive--no greeting, no basic courtesy. Her tone throughout the appointment felt rude and unnecessarily aggressive. Instead of communicating calmly, she gave abrupt commands like "scoot up... no, more," without any professionalism or kindness. The actual blood draw was worse. On the first attempt, she missed my vein and tried to redirect the needle twice. During the second redirection, I felt a sharp pain and said "ouch," to which she responded by rolling her eyes before removing the needle. I ended up apologizing--despite being the one in pain--because of how uncomfortable the interaction felt. She never apologized. She then attempted the draw on my other arm, applying the tourniquet far too tightly and choosing the basilic vein. As soon as she accessed the vein, it began to blow. Despite this, she continued the draw and collected four tubes while I started losing sensation in my arm and hand. For context, I am a phlebotomist with 10 years of experience, so I am very familiar with proper technique and patient safety. I regret not advocating for myself in that moment, because the situation was not handled appropriately. Unsurprisingly, I developed a hematoma almost immediately in a very sensitive area. She provided minimal bandaging--it didn't even stay on--and gave no aftercare instructions. I had to manage everything myself at home, including icing and proper care. I have already reported this experience directly to Quest Diagnostics through the appropriate channels. I was told that a supervisor would address the situation and that this employee would be shadowed for retraining. While I appreciate that this is being handled internally, I am sharing this publicly so others are aware and can make informed decisions--personally, I would recommend avoiding this phlebotomist at all costs, if possible. This was one of the worst experiences I've had getting blood drawn, and it stands in stark contrast to the otherwise positive experiences I've had at this location. *I'm including pictures, including the bruising right after the draw and how it looks 24 hours later

Quest Diagnostics - laboratorytesting - Updated May 2026

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