Clinical & Reference Laboratories in Hartford, CT
The top-ranked clinical laboratories serving Hartford, CT are Center For Advanced Reproductive Services, Laboratory For Dna-guided Medicine and Quest Diagnostics. We list 73 clinical laboratories serving Hartford, CT. 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 Hartford, CT (Capitol Planning Region). 73 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 Hartford
- Based in Hartford, CT
#2Laboratory For Dna-guided Medicine
Based in Hartford, CT#3Quest Diagnostics
Based in Hartford, CT#4Quest Diagnostics LLC
Based in Hartford, CT#5Precision Toxicology, LLC
Serves this area from West Hartford, CT (3 mi)#6Quest Diagnostics LLC
Serves this area from West Hartford, CT (3 mi)#7Accu Reference Medical Lab, LLC
Serves this area from East Hartford, CT (3 mi)#8Quest Diagnostics
Serves this area from Bloomfield, CT (5 mi)#9Hartford Hospital Ancillary Laboratory
Serves this area from Newington, CT (5 mi)#10Quest Diagnostics LLC
Serves this area from Newington, CT (5 mi)
20 more providers serving this area
- Quest Diagnostics LLC, Wethersfield, CT (5 mi)
- Quest Diagnostics, LLC, Glastonbury, CT (5 mi)
- Ct Gi Laboratory Powered By, Wethersfield, CT (6 mi)
- Ecpc-c Wallace Home, Avon, CT (6 mi)
- Quest Diagnostics LLC, Windsor, CT (6 mi)
- Laboratory Corporation Of America Holdings, Rocky Hill, CT (7 mi)
- Cars-farmington, Farmington, CT (7 mi)
- Obgyn Group Of Eastern Ct PC, South Windsor, CT (8 mi)
- Quest Diagnostics, New Britain, CT (8 mi)
- Quest Diagnostics LLC, Farmington, CT (8 mi)
- Quest Diagnostics LLC, Manchester, CT (8 mi)
- Quest Diagnostics, New Britain, CT (9 mi)
- Starling Physicians PLLC, New Britain, CT (9 mi)
- Connecticut Imaging Partners, Farmington, CT (9 mi)
- Jackson Laboratory For Genomic Medicine, The, Farmington, CT (9 mi)
- Quest Diagnostics LLC, Avon, CT (10 mi)
- US Labs Connecticut, Middletown, CT (13 mi)
- Quest Diagnostics LLC, Southington, CT (14 mi)
- Laboratory Corporation Of America Holdings, Southington, CT (15 mi)
- Quest Diagnostics LLC, Enfield, CT (16 mi)
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Frequently asked questions
How many clinical laboratories serve Hartford?
We list 73 clinical laboratories serving Hartford, CT: 4 based there and 69 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 Hartford?
The top-ranked clinical laboratories serving Hartford, CT are Center For Advanced Reproductive Services, Laboratory For Dna-guided Medicine, Quest Diagnostics, Quest Diagnostics LLC and Precision Toxicology, LLC. The full ranked list, with the official records each provider matched, is on this page.
Which clinical laboratories serving Hartford are verified against official records?
10 of the top 10 match an active official record: Center For Advanced Reproductive Services (Centers for Medicare & Medicaid Services), Laboratory For Dna-guided Medicine (Centers for Medicare & Medicaid Services), Quest Diagnostics (Centers for Medicare & Medicaid Services), Quest Diagnostics LLC (Centers for Medicare & Medicaid Services) and Precision Toxicology, 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 .