Clinical & Reference Laboratories in San Antonio, TX

We list 37 clinical laboratories serving San Antonio, TX: 27 based there and 10 serving it from nearby. 10 of the top 10 match an active federal or state record, checked on 2026-11-04.

The top-ranked clinical laboratories serving San Antonio, TX are Alamo Dx Labs, Alturos Labs, LLC, Center For Disease Detection LLC, Clinical Pathology Laboratories Inc and Concord Life Sciences, LLC DBA Principle. The full ranked list, with the official records each provider matched, is on this page.

10 of the top 10 match an active official record: Alamo Dx Labs (Centers for Medicare & Medicaid Services), Alturos Labs, LLC (Centers for Medicare & Medicaid Services), Center For Disease Detection LLC (Centers for Medicare & Medicaid Services), Clinical Pathology Laboratories Inc (Centers for Medicare & Medicaid Services) and Concord Life Sciences, LLC DBA Principle (Centers for Medicare & Medicaid Services), and 5 more on this page. Each badge links to the official record it matched.

By our published methodology: verified registrations, documented capabilities, years registered and responsiveness. Sponsored placements are shown separately and never affect rank.

"Verified" means we matched the provider to an active official record on the date shown; each badge links to that record. The absence of a badge only means we have not verified that item.

CLIA certificates are issued under federal law for laboratories testing human specimens. A certificate of compliance or accreditation covers moderate and high complexity testing; a certificate of waiver covers only simple waived tests.