#1Clinical Diagnostic Laboratories, LLC
Based in Ashburn, VA
Clinical & Reference Laboratories in Ashburn, VA
The top-ranked clinical laboratories serving Ashburn, VA are Clinical Diagnostic Laboratories, LLC, Labcorp Ashburn Psc and Athari Biosciences Inc. We list 63 clinical laboratories serving Ashburn, VA. 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 Ashburn, VA (Loudoun County). 63 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 Ashburn
#2Labcorp Ashburn Psc
Based in Ashburn, VA#3Athari Biosciences Inc
Serves this area from Dulles Town Center, VA (3 mi)#4Sunrise Medical Laboratories
Serves this area from Chantilly, VA (8 mi)#5Virginia Reproductive Labs
Serves this area from Reston, VA (9 mi)#6Laboratory Corporation Of America
Serves this area from Chantilly, VA (10 mi)#7Microgen Health, Inc DBA Testgo
Serves this area from Chantilly, VA (10 mi)#8Quest Diagnostics Nichols Institute, Inc
Serves this area from Chantilly, VA (10 mi)#9Mira Genetix
Serves this area from Greenbriar, VA (11 mi)#10Fairfax Health Center
Serves this area from Fair Lakes, VA (12 mi)
20 more providers serving this area
- Shady Grove Fertility-fair Oaks, Fair Oaks, VA (13 mi)
- Mid Atlantic Pathology Services, Mclean Satellite, McLean, VA (13 mi)
- O & O Alpan, LLC, Tysons, VA (15 mi)
- Genetix Iq, Inc, VA
- Cv Path Institute Inc, Gaithersburg, MD (15 mi)
- Smithers Pharmaceutical Development Services, Gaithersburg, MD (15 mi)
- Trilliumbio, MD
- Cosmosid Ngs Laboratory Services, LLC, Germantown, MD (16 mi)
- Arthritis & Rheumatism Associate PC, Rockville, MD (16 mi)
- Shady Grove Andrology Center LLC, MD
- Genetics & Ivf Institute/molecular Inf Dis Lab, Mantua, VA (16 mi)
- Givff, LLC, Mantua, VA (16 mi)
- Givff, LLC D/B/A Givf Fertility, Mantua, VA (16 mi)
- Cleardx Clinical Laboratory, Gaithersburg, MD (16 mi)
- Oral Pathology Services, Gaithersburg, MD (16 mi)
- B&b Bio LLC, Gaithersburg, MD (16 mi)
- Clongen Laboratories, Gaithersburg, MD (16 mi)
- Genedx, LLC, Gaithersburg, MD (16 mi)
- Genesys Biolabs, MD
- Minomic Inc, MD
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Frequently asked questions
How many clinical laboratories serve Ashburn?
We list 63 clinical laboratories serving Ashburn, VA: 2 based there and 61 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 Ashburn?
The top-ranked clinical laboratories serving Ashburn, VA are Clinical Diagnostic Laboratories, LLC, Labcorp Ashburn Psc, Athari Biosciences Inc, Sunrise Medical Laboratories and Virginia Reproductive Labs. The full ranked list, with the official records each provider matched, is on this page.
Which clinical laboratories serving Ashburn are verified against official records?
10 of the top 10 match an active official record: Clinical Diagnostic Laboratories, LLC (Centers for Medicare & Medicaid Services), Labcorp Ashburn Psc (Centers for Medicare & Medicaid Services), Athari Biosciences Inc (Centers for Medicare & Medicaid Services), Sunrise Medical Laboratories (Centers for Medicare & Medicaid Services) and Virginia Reproductive Labs (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 .