Labcorp
1002 Peruque Crossing Court, O'Fallon, MO 63366
About Us

Labcorp is a global life sciences and healthcare company located at 1002 Peruque Crossing Court in O'Fallon, Missouri. Our mission is to improve health and lives by leveraging science, technology, and innovation to provide clear and confident answers about your health.
At our O'Fallon location, we offer laboratory testing, drug testing, routine lab work, and recommended screenings based on age and gender. You can easily make an appointment and access your testing results through the Labcorp Patient Portal. Walk-ins are also welcome.
We make managing your health convenient by offering online lab tests trusted by doctors, including tests for overall wellness, allergies, COVID-19, fertility, vitamins, and nutrition. We also provide testing and monitoring for chronic conditions like rheumatoid arthritis and diabetes. Remember to consult your healthcare provider about any test results you receive.
Appointments are encouraged but not required, so feel free to visit our location at your convenience. For scheduling an appointment, visit the Labs & Appointments page on our website. Special preparation may be required for certain tests, so be sure to follow any instructions provided by your healthcare provider.
Our Patient Resource Center offers valuable information on preventative care, chronic conditions, and preparing for doctor visits. Take control of your health by staying informed and proactive. Visit Labcorp in O'Fallon today to improve your health outcomes.
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Hours open
Monday:
1:00 PM - 4:30 PM
Tuesday:
1:00 PM - 4:30 PM
Wednesday:
1:00 PM - 4:30 PM
Thursday:
1:00 PM - 4:30 PM
Friday:
1:00 PM - 4:30 PM
Saturday:
Closed
Sunday:
Closed
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Reviews
"The technicians here have been quick, painless, and supportive as I have always been terrified to get my blood drawn. I have never waited longer than 5 minutes to get in and out and have been here (unfortunately) more than 5 times in the past couples of weeks. Highly recommend!"
"Such a pleasant experience I had with Charity. It was so fast and painless and she’s so sweet! I was in and out!"
"I needed some specialized blood work done and Kathy at this location was great. The lab order did not provide clear instructions on the timing of the various blood draws so she called the LabCorp service center and then on another call spoke to the office that issued my test. This took some time but she went to the extra effort to make sure the test world be done correctly!"
"Not to happy showed up to get my blood drawn for a possible miscarriage. Didn’t know I had a bill since 2019 outstanding. Was just seen at lab corp back in 2022 for more labs due to a miscarriage. They took my blood at this location no problem at all. No mentions of a bill. Now all of a sudden after 4 years of being unaware of a bill at this location they now can’t take my blood because of a bill that wasn’t billed properly? Definitely would recommend making sure while you’re there you don’t have a bill or they will deny you care. The lady was nice just really frustrating that nothing was done properly and I was denied the care I needed over a bill that someone didn’t do their job on!"
"After going to the Mexico location for my scheduled appointment time, I witnessed such appalling behavior by a LabCorp employee to an elderly gentleman that I left and decided I would just go as a walk-in to the O'Fallon location. I was prepared to wait since I didn't have a scheduled appointment there, but I was seen within minutes. The lady at the front desk wasn't overly friendly, but she was kind and did her job well. Charity is the one who drew my blood and she was absolutely amazing. Kind, gentle, and got the job done quickly and efficiently."
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