Lab Test Diagnostics
Laboratory5000 Cedar Plaza Pkwy, St. Louis, MO
Business Services
4 independent, locally-owned laboratories are listed in St Louis, Missouri on CheckThisBiz. National chains and franchises are not included. Ranked by how much we could independently verify (listing sources, phone, website and owner verification), the top laboratories are Lab Test Diagnostics, EKG Labs and Mars USA Dental Lab.
How we rank: email-verified customer reviews on CheckThisBiz first, then independent checks (listing sources, phone, website and domain, owner verification). Paid placement never changes this ranking. Our methods · Sources · Updated November 15, 2026
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5000 Cedar Plaza Pkwy, St. Louis, MO
2250 Welsch Industrial Ct, St. Louis, MO
9495 Page Ave Ste 102, St. Louis, MO
3830 Washington Blvd Ste 120C, St. Louis, MO
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