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MD Diagnostics is a Full Service Lab
Schedule Your Lab Test Online — No Doctor's Referral Needed
MD Diagnostics makes it easy to schedule diagnostic testing online without waiting for a doctor's order. We are a CLIA-certified, full-service diagnostic laboratory in St. Louis, Missouri, offering a wide range of lab tests at transparent, upfront prices.
Select the tests you need from our full menu below, choose a date and time that works for you, and complete your booking securely through our online scheduling system. Most results are available same day or within 24 hours.
Select the tests you need from our full menu below, choose a date and time that works for you, and complete your booking securely through our online scheduling system. Most results are available same day or within 24 hours.
Why Patients Choose MD Diagnostics
MD Diagnostics makes professional lab testing accessible, affordable, and straightforward — no unnecessary hoops, no surprise fees, and no waiting weeks for results.
No referral required — book directly, no physician order needed
- Transparent pricing — see the cost of every test before you book
- CLIA certified — the highest standard of medical laboratory compliance
- Fast results — most tests returned same day or within 24 hours
- Flexible scheduling — choose a time that fits your schedule, including next-day appointments
- Confidential — your results are private and shared only with you
Whether you're managing your health proactively, fulfilling an employer requirement, or following up on a concern, we make it easy to get the testing you need — on your terms.
Questions Before You Book?
If you're not sure which test is right for you, or if you have questions about the process, our team is happy to help. All testing is performed in our St. Louis laboratory by certified professionals, and results are delivered quickly, accurately, and confidentially, so you can get the answers you need and move forward with confidence.
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