Clinical & Reference Laboratories in Santa Barbara County, CA

We list 17 clinical laboratories serving Santa Barbara County, CA: 6 based there and 11 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 Santa Barbara County, CA are Agilent Biopharma Cdx Services Laboratory, Aptitude Clinical Diagnostics, Caris Mpi, Inc, Smg Laboratory and Western Diagnostic Services Laboratory, LLC. 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: Agilent Biopharma Cdx Services Laboratory (Centers for Medicare & Medicaid Services), Aptitude Clinical Diagnostics (Centers for Medicare & Medicaid Services), Caris Mpi, Inc (Centers for Medicare & Medicaid Services), Smg Laboratory (Centers for Medicare & Medicaid Services) and Western Diagnostic Services Laboratory, LLC (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.