Clinical & Reference Laboratories in Sierra County, CA

We list 5 clinical laboratories serving Sierra County, CA: 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 Sierra County, CA are Western Pathology At St Marys Reg Med Ctr, Laboratory Corporation Of America, Western Pathology At Nnmc Sierra, Relentless Health and Md Spine Solutions, LLC DBA Md Labs. 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: Western Pathology At St Marys Reg Med Ctr (Centers for Medicare & Medicaid Services), Laboratory Corporation Of America (Centers for Medicare & Medicaid Services), Western Pathology At Nnmc Sierra (Centers for Medicare & Medicaid Services), Relentless Health (Centers for Medicare & Medicaid Services) and Md Spine Solutions, LLC DBA Md Labs (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.