Clinical & Reference Laboratories in Madison County, IL

We list 29 clinical laboratories serving Madison County, IL: 1 based there and 28 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 Madison County, IL are Semc Pathology LLC, Center For Gastrointestinal Health Lab, Saint Louis University Center For Vaccine, Slucare Physician Group Dermatopathology Lab and Slucare Physician Group Derm Mohs Csm. 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: Semc Pathology LLC (Centers for Medicare & Medicaid Services), Center For Gastrointestinal Health Lab (Centers for Medicare & Medicaid Services), Saint Louis University Center For Vaccine (Centers for Medicare & Medicaid Services), Slucare Physician Group Dermatopathology Lab (Centers for Medicare & Medicaid Services) and Slucare Physician Group Derm Mohs Csm (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.