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
- Based in Fresno, CA
#2Eiv Diagnostics
Based in Fresno, CA#3Omni Women's Health Medical Group, Inc
Based in Fresno, CA#4Unilab Corp DBA Quest Diagnostics
Based in Fresno, CA#5Valley Diagnostics Laboratory
Based in Fresno, CA#6Dynacare Diagnostic
Serves this area from Clovis, CA (7 mi)#7Yosemite Pathology Medical Group Inc
Serves this area from Visalia, CA (42 mi)#8Unilab Corp DBA Quest Diagnostics
Serves this area from Merced, CA (52 mi)#9Yosemite Pathology Medical Group
Serves this area from Merced, CA (53 mi)#10Kd Medical Group Inc
Serves this area from Los Banos, CA (62 mi)
1 more providers serving this area
- Premier Pathology Laboratories Inc, Porterville, CA (65 mi)
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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 .