Clinical & Reference Laboratories in Fresno, CA

The top-ranked clinical laboratories serving Fresno, CA are 1lab, Inc, Eiv Diagnostics and Omni Women's Health Medical Group, Inc. We list 11 clinical laboratories serving Fresno, CA. 11 of the providers shown match an active record from Centers for Medicare & Medicaid Services, checked on the date shown. Rankings follow our published methodology; sponsored placements never change rank.

Clinical & Reference Laboratories serving Fresno, CA (Fresno County). 11 providers, 10 of the top 10 verified against federal or state records. Registry records checked on 2026-11-04.

Top 10 ranked clinical laboratories for Fresno

Ranked by our published methodology. Sponsored providers are shown separately.
#ProviderVerified recordsBased inPhone
11lab, IncCLIA-certified laboratory (certificate of compliance or accreditation, CMS)#05D0959245
Fresno, CA(559) 431-9800
2Eiv DiagnosticsCLIA-certified laboratory (certificate of compliance or accreditation, CMS)#05D2181132
Fresno, CA(559) 777-7117
3Omni Women's Health Medical Group, IncCLIA-certified laboratory (certificate of compliance or accreditation, CMS)#05D0961460
Fresno, CA(559) 495-3120
4Unilab Corp DBA Quest DiagnosticsCLIA-certified laboratory (certificate of compliance or accreditation, CMS)#05D0664641
Fresno, CA(559) 297-2479
5Valley Diagnostics LaboratoryCLIA-certified laboratory (certificate of compliance or accreditation, CMS)#05D0992242
Fresno, CA(559) 449-0366
6Dynacare DiagnosticCLIA-certified laboratory (certificate of compliance or accreditation, CMS)#05D2167092
Clovis, CA (7 mi)(559) 862-8636
7Yosemite Pathology Medical Group IncCLIA-certified laboratory (certificate of compliance or accreditation, CMS)#05D2265005
Visalia, CA (42 mi)(209) 577-1200
8Unilab Corp DBA Quest DiagnosticsCLIA-certified laboratory (certificate of compliance or accreditation, CMS)#05D0644027
Merced, CA (52 mi)(209) 385-5632
9Yosemite Pathology Medical GroupCLIA-certified laboratory (certificate of compliance or accreditation, CMS)#05D0644024
Merced, CA (53 mi)(209) 577-1200
10Kd Medical Group IncCLIA-certified laboratory (certificate of compliance or accreditation, CMS)#05D1032613
Los Banos, CA (62 mi)(209) 826-9999
1 more providers serving this area

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Frequently asked questions

How many clinical laboratories serve Fresno?

We list 11 clinical laboratories serving Fresno, CA: 5 based there and 6 serving it from nearby. 10 of the top 10 match an active federal or state record, checked on 2026-11-04.

Which clinical laboratories serve Fresno?

The top-ranked clinical laboratories serving Fresno, CA are 1lab, Inc, Eiv Diagnostics, Omni Women's Health Medical Group, Inc, Unilab Corp DBA Quest Diagnostics and Valley Diagnostics Laboratory. The full ranked list, with the official records each provider matched, is on this page.

Which clinical laboratories serving Fresno are verified against official records?

10 of the top 10 match an active official record: 1lab, Inc (Centers for Medicare & Medicaid Services), Eiv Diagnostics (Centers for Medicare & Medicaid Services), Omni Women's Health Medical Group, Inc (Centers for Medicare & Medicaid Services), Unilab Corp DBA Quest Diagnostics (Centers for Medicare & Medicaid Services) and Valley Diagnostics Laboratory (Centers for Medicare & Medicaid Services), and 5 more on this page. Each badge links to the official record it matched.

How are these companies ranked?

By our published methodology: verified registrations, documented capabilities, years registered and responsiveness. Sponsored placements are shown separately and never affect rank.

What does "Verified" mean on this page?

"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.

What does CLIA certification mean?

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.

"Verified" means we matched the provider to an active official record on the date shown. The absence of a badge only means we have not verified that item. How we rank and verify. Page updated .

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