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Find TB testing in Ontario, CA

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18 instant-book locations

4.14(473 reviews)
Lab testing
Excellent customer service. Knowledgeably answered all questions. Appointment and billing were fast. Testing next day was on time and professional. Results available within 24 hours. Highly recommend.
4.26(596 reviews)
Lab testing
Excellent customer service. Knowledgeably answered all questions. Appointment and billing were fast. Testing next day was on time and professional. Results available within 24 hours. Highly recommend.
4.16(564 reviews)
This clinic is rated highly in reviews for their friendly staff

Friendly Staff

Lab testing
I was able to choose a Quest lab location and schedule an appointment. Check in was easy, and I only needed to provide my name and DOB. They were able to locate my order in their system. They were already aware that my labs were paid for prior to the appointment. I had my labs done on a Wednesday, and I received my results by Saturday. Great experience.
4.1(410 reviews)
This clinic has shorter than average waiting periods

Short Wait Time

Lab testing
A great experience for something I had a lot of anxiety about. Had no wait time or issues at the testing center/lab. Had blood drawn at 3pm and had results by email at 9am the next morning.
4.29(599 reviews)
Lab testing
I would 100% recommend this company to anyone wanting to check their health status. The process was incredibly easy and done through certified labs. The results are frequently back by the next day.
4.44(431 reviews)
Lab testing
I came in one day without an appoint and waited two hours as a walk-in before I had to leave without being tested. I made an appointment through Labcorp for the next day, showed up on time, got tested easily and was on my way in 15-20 minutes. Staff is friendly and helpful.
3.4(5 reviews)
Urgent care
Lab testing
Very friendly staff. Came in for COVID testing the wait time was less than expected. The test did NOT HURT BY THE WAY. Definitely recommend!
4.46(483 reviews)
Lab testing
After receiving my results, I called Quest Lab Testing and discussed the results with a consultation. This consultation filled in my knowledge gaps and made me more aware of my particular situation.
4.34(488 reviews)
Lab testing
I would 100% recommend this company to anyone wanting to check their health status. The process was incredibly easy and done through certified labs. The results are frequently back by the next day.
4.51(556 reviews)
Lab testing
I would 100% recommend this company to anyone wanting to check their health status. The process was incredibly easy and done through certified labs. The results are frequently back by the next day.
4.33(578 reviews)
Lab testing
Excellent customer service. Knowledgeably answered all questions. Appointment and billing were fast. Testing next day was on time and professional. Results available within 24 hours. Highly recommend.
4.57(492 reviews)
Lab testing
I would 100% recommend this company to anyone wanting to check their health status. The process was incredibly easy and done through certified labs. The results are frequently back by the next day.
4.34(481 reviews)
Lab testing
I thought it was extremely easy to book a lab test appointment with Labcorp. Getting the test done was simple and so was the getting the results! Great job putting together something so user friendly.
4.45(434 reviews)
Lab testing
I was able to choose a Quest lab location and schedule an appointment. Check in was easy, and I only needed to provide my name and DOB. They were able to locate my order in their system. They were already aware that my labs were paid for prior to the appointment. I had my labs done on a Wednesday, and I received my results by Saturday. Great experience.
4.24(529 reviews)
Lab testing
Excellent customer service. Knowledgeably answered all questions. Appointment and billing were fast. Testing next day was on time and professional. Results available within 24 hours. Highly recommend.
Urgent care
Lab testing
4.52(457 reviews)
Lab testing
Great discreet service, scheduled my visit and paid for for the test online not in Showed up at lab, checked in and was seen within minutes. Blood and urine were collected, test results came back quickly within 2 days because I did my test on a Friday. Quick, easy and cheap. Didn't have to wait for a visit to my PCP, and then get referral to lab.
4.4(441 reviews)
Lab testing
Great discreet service, scheduled my visit and paid for for the test online not in Showed up at lab, checked in and was seen within minutes. Blood and urine were collected, test results came back quickly within 2 days because I did my test on a Friday. Quick, easy and cheap. Didn't have to wait for a visit to my PCP, and then get referral to lab.
4.54(426 reviews)
Lab testing
Excellent customer service. Knowledgeably answered all questions. Appointment and billing were fast. Testing next day was on time and professional. Results available within 24 hours. Highly recommend.
4.49(437 reviews)
Lab testing
I was able to choose a Quest lab location and schedule an appointment. Check in was easy, and I only needed to provide my name and DOB. They were able to locate my order in their system. They were already aware that my labs were paid for prior to the appointment. I had my labs done on a Wednesday, and I received my results by Saturday. Great experience.
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