Clinical & Reference Laboratories in Hayward, CA

The top-ranked clinical laboratories serving Hayward, CA are Diacarta, Inc, Elim Clinical Laboratory and National Labs Inc. We list 81 clinical laboratories serving Hayward, CA. 30 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 Hayward, CA (Alameda County). 81 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 Hayward

Ranked by our published methodology. Sponsored providers are shown separately.
#ProviderVerified recordsBased inPhone
1Diacarta, IncCLIA-certified laboratory (certificate of compliance or accreditation, CMS)#05D2110800
Hayward, CA(510) 878-6662
2Elim Clinical LaboratoryCLIA-certified laboratory (certificate of compliance or accreditation, CMS)#05D2074235
Hayward, CA(510) 783-1112
3National Labs IncCLIA-certified laboratory (certificate of compliance or accreditation, CMS)#05D2074594
Hayward, CA(800) 800-6060
4Predicine IncCLIA-certified laboratory (certificate of compliance or accreditation, CMS)#05D2148483
Hayward, CA(650) 300-2188
5Billiontoone LaboratoryCLIA-certified laboratory (certificate of compliance or accreditation, CMS)#05D2167800
Union City, CA (2 mi)(650) 666-6443
6Fellow Health Inc.CLIA-certified laboratory (certificate of compliance or accreditation, CMS)#05D2177822
San Leandro, CA (8 mi)(510) 473-7171
7Laboratory Corporation Of AmericaCLIA-certified laboratory (certificate of compliance or accreditation, CMS)#05D0600639
San Leandro, CA (8 mi)(510) 567-5383
8Norcal Pathology LaboratoryCLIA-certified laboratory (certificate of compliance or accreditation, CMS)#05D2032005
Fremont, CA (9 mi)(510) 456-4690
9Hrc Fertlity Management, LLCCLIA-certified laboratory (certificate of compliance or accreditation, CMS)#05D0969849
Foster City, CA (10 mi)(650) 378-1000
10Verinata Health DBA IlluminaCLIA-certified laboratory (certificate of compliance or accreditation, CMS)#05D2013691
Foster City, CA (10 mi)(858) 736-8080
20 more providers serving this area

Request quotes

Quote requests are not yet enabled on this site. Please call a provider directly.

Frequently asked questions

How many clinical laboratories serve Hayward?

We list 81 clinical laboratories serving Hayward, CA: 4 based there and 77 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 Hayward?

The top-ranked clinical laboratories serving Hayward, CA are Diacarta, Inc, Elim Clinical Laboratory, National Labs Inc, Predicine Inc and Billiontoone Laboratory. The full ranked list, with the official records each provider matched, is on this page.

Which clinical laboratories serving Hayward are verified against official records?

10 of the top 10 match an active official record: Diacarta, Inc (Centers for Medicare & Medicaid Services), Elim Clinical Laboratory (Centers for Medicare & Medicaid Services), National Labs Inc (Centers for Medicare & Medicaid Services), Predicine Inc (Centers for Medicare & Medicaid Services) and Billiontoone 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 .

Nearby cities