Clinical & Reference Laboratories in Johnson County, IA

We list 6 clinical laboratories serving Johnson County, IA: 4 based there and 2 serving it from nearby. 6 of the top 6 match an active federal or state record, checked on 2026-11-04.

The top-ranked clinical laboratories serving Johnson County, IA are Cardio Diagnostics, Inc, Cross Medical Laboratories LLP, Element Materials Technology Iowa City Inc, Rdb Bioinformatics and Weland Clinical Laboratories,pc. The full ranked list, with the official records each provider matched, is on this page.

6 of the top 6 match an active official record: Cardio Diagnostics, Inc (Centers for Medicare & Medicaid Services), Cross Medical Laboratories LLP (Centers for Medicare & Medicaid Services), Element Materials Technology Iowa City Inc (Centers for Medicare & Medicaid Services), Rdb Bioinformatics (Centers for Medicare & Medicaid Services) and Weland Clinical Laboratories,pc (Centers for Medicare & Medicaid Services), and 1 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.