Clinical & Reference Laboratories in Columbia County, WI

We list 5 clinical laboratories serving Columbia County, WI: 0 based there and 5 serving it from nearby. 5 of the top 5 match an active federal or state record, checked on 2026-11-04.

The top-ranked clinical laboratories serving Columbia County, WI are Beaver Dam Reference Laboratory, Hanna Medical Clinic Sc, Meriter Laboratories, Exact Sciences Laboratories, LLC and Ssm Health Laboratories Waupun Memorial Hospital. The full ranked list, with the official records each provider matched, is on this page.

5 of the top 5 match an active official record: Beaver Dam Reference Laboratory (Centers for Medicare & Medicaid Services), Hanna Medical Clinic Sc (Centers for Medicare & Medicaid Services), Meriter Laboratories (Centers for Medicare & Medicaid Services), Exact Sciences Laboratories, LLC (Centers for Medicare & Medicaid Services) and Ssm Health Laboratories Waupun Memorial Hospital (Centers for Medicare & Medicaid Services). 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.