Clinical & Reference Laboratories in Fresno County, CA

The top-ranked clinical laboratories serving Fresno County, CA are 1lab, Inc, Dynacare Diagnostic and Eiv Diagnostics. We list 11 clinical laboratories serving Fresno County, 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 County, CA. 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 County

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
2Dynacare DiagnosticCLIA-certified laboratory (certificate of compliance or accreditation, CMS)#05D2167092
Clovis, CA(559) 862-8636
3Eiv DiagnosticsCLIA-certified laboratory (certificate of compliance or accreditation, CMS)#05D2181132
Fresno, CA(559) 777-7117
4Omni Women's Health Medical Group, IncCLIA-certified laboratory (certificate of compliance or accreditation, CMS)#05D0961460
Fresno, CA(559) 495-3120
5Unilab Corp DBA Quest DiagnosticsCLIA-certified laboratory (certificate of compliance or accreditation, CMS)#05D0664641
Fresno, CA(559) 297-2479
6Valley Diagnostics LaboratoryCLIA-certified laboratory (certificate of compliance or accreditation, CMS)#05D0992242
Fresno, CA(559) 449-0366
7Yosemite Pathology Medical Group IncCLIA-certified laboratory (certificate of compliance or accreditation, CMS)#05D2265005
Visalia, CA (36 mi)(209) 577-1200
8Premier Pathology Laboratories IncCLIA-certified laboratory (certificate of compliance or accreditation, CMS)#05D0643471
Porterville, CA (59 mi)(559) 781-5174
9Unilab Corp DBA Quest DiagnosticsCLIA-certified laboratory (certificate of compliance or accreditation, CMS)#05D0644027
Merced, CA (59 mi)(209) 385-5632
10Yosemite Pathology Medical GroupCLIA-certified laboratory (certificate of compliance or accreditation, CMS)#05D0644024
Merced, CA (60 mi)(209) 577-1200
1 more providers serving this area

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Frequently asked questions

How many clinical laboratories serve Fresno County?

We list 11 clinical laboratories serving Fresno County, CA: 6 based there and 5 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 County?

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

Which clinical laboratories serving Fresno County are verified against official records?

10 of the top 10 match an active official record: 1lab, Inc (Centers for Medicare & Medicaid Services), Dynacare Diagnostic (Centers for Medicare & Medicaid Services), Eiv Diagnostics (Centers for Medicare & Medicaid Services), Omni Women's Health Medical Group, Inc (Centers for Medicare & Medicaid Services) and Unilab Corp DBA Quest Diagnostics (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 .

Cities in Fresno County

Communities served

Selma, Kerman, Coalinga, Parlier, Kingsburg, Mendota, Orange Cove, Firebaugh, Fowler, Huron, Old Fig Garden, Mayfair, Sunnyside, Tarpey Village, San Joaquin, Squaw Valley, Riverdale, Auberry, Caruthers, Easton, Calwa, Laton, Biola, Del Rey, West Park, Malaga, Minkler, Tranquillity, Millerton, Shaver Lake, Lanare, Cantua Creek, Friant, Centerville, Raisin City, Fort Washington, Three Rocks, Bowles, Big Creek, Westside, Monmouth

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