Clinical & Reference Laboratories in Baltimore County, MD

The top-ranked clinical laboratories serving Baltimore County, MD are Albemarle Laboratories LLC, Applied Immunogenetics Laboratory and Cd Laboratories, Inc. We list 37 clinical laboratories serving Baltimore County, MD. 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 Baltimore County, MD. 37 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 Baltimore County

Ranked by our published methodology. Sponsored providers are shown separately.
#ProviderVerified recordsBased inPhone
1Albemarle Laboratories LLCCLIA-certified laboratory (certificate of compliance or accreditation, CMS)#21D2173396
Dundalk, MD(410) 948-1051
2Applied Immunogenetics LaboratoryCLIA-certified laboratory (certificate of compliance or accreditation, CMS)#21D2175383
Owings Mills, MD(443) 668-7242
3Cd Laboratories, IncCLIA-certified laboratory (certificate of compliance or accreditation, CMS)#21D0216863
Towson, MD(410) 296-1400
4Complete Omics IncCLIA-certified laboratory (certificate of compliance or accreditation, CMS)#21D2304851
Arbutus, MD(410) 215-2760
5Diamond Medical Laboratories LLCCLIA-certified laboratory (certificate of compliance or accreditation, CMS)#21D2130306
Owings Mills, MD(410) 834-8600
6Johns Hopkins Medical LaboratoryCLIA-certified laboratory (certificate of compliance or accreditation, CMS)#21D0890139
Mays Chapel, MD(410) 583-2679
7Quest Diagnostics IncCLIA-certified laboratory (certificate of compliance or accreditation, CMS)#21D0218877
Arbutus, MD(410) 314-1531
8Real Diagnostics LLCCLIA-certified laboratory (certificate of compliance or accreditation, CMS)#21D2077230
Reisterstown, MD(410) 833-3025
9X-gene Diagnostics IncCLIA-certified laboratory (certificate of compliance or accreditation, CMS)#21D2093389
MD(301) 360-3537
10Johns Hopkins GenomicsCLIA-certified laboratory (certificate of compliance or accreditation, CMS)#21D0692357
Baltimore, MD (10 mi)(410) 955-0483
20 more providers serving this area

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Frequently asked questions

How many clinical laboratories serve Baltimore County?

We list 37 clinical laboratories serving Baltimore County, MD: 9 based there and 28 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 Baltimore County?

The top-ranked clinical laboratories serving Baltimore County, MD are Albemarle Laboratories LLC, Applied Immunogenetics Laboratory, Cd Laboratories, Inc, Complete Omics Inc and Diamond Medical Laboratories LLC. The full ranked list, with the official records each provider matched, is on this page.

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

10 of the top 10 match an active official record: Albemarle Laboratories LLC (Centers for Medicare & Medicaid Services), Applied Immunogenetics Laboratory (Centers for Medicare & Medicaid Services), Cd Laboratories, Inc (Centers for Medicare & Medicaid Services), Complete Omics Inc (Centers for Medicare & Medicaid Services) and Diamond Medical Laboratories LLC (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 Baltimore County

Communities served

Cockeysville, Arbutus, Rosedale, Rossville, Honeygo, Overlea, Mays Chapel, Timonium, White Marsh, Garrison, Edgemere, Lansdowne, Baltimore Highlands, Bowleys Quarters, Lutherville, Hampton, Kingsville

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