#1Quest Diagnostics, LLC
Based in Glastonbury, CT
Clinical & Reference Laboratories in Glastonbury, CT
The top-ranked clinical laboratories serving Glastonbury, CT are Quest Diagnostics, LLC, Ct Gi Laboratory Powered By and Quest Diagnostics LLC. We list 73 clinical laboratories serving Glastonbury, 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 Glastonbury, 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 Glastonbury
#2Ct Gi Laboratory Powered By
Serves this area from Wethersfield, CT (5 mi)#3Quest Diagnostics LLC
Serves this area from Wethersfield, CT (5 mi)#4Accu Reference Medical Lab, LLC
Serves this area from East Hartford, CT (6 mi)#5Laboratory Corporation Of America Holdings
Serves this area from Rocky Hill, CT (7 mi)#6Quest Diagnostics LLC
Serves this area from Manchester, CT (7 mi)#7Center For Advanced Reproductive Services
Serves this area from Hartford, CT (8 mi)#8Laboratory For Dna-guided Medicine
Serves this area from Hartford, CT (8 mi)#9Quest Diagnostics LLC
Serves this area from Hartford, CT (8 mi)#10Hartford Hospital Ancillary Laboratory
Serves this area from Newington, CT (9 mi)
20 more providers serving this area
- Obgyn Group Of Eastern Ct PC, South Windsor, CT (9 mi)
- Quest Diagnostics LLC, Newington, CT (9 mi)
- Quest Diagnostics, Hartford, CT (9 mi)
- Precision Toxicology, LLC, West Hartford, CT (11 mi)
- Quest Diagnostics LLC, West Hartford, CT (11 mi)
- US Labs Connecticut, Middletown, CT (11 mi)
- Quest Diagnostics, New Britain, CT (12 mi)
- Quest Diagnostics LLC, Windsor, CT (12 mi)
- Quest Diagnostics, New Britain, CT (12 mi)
- Starling Physicians PLLC, New Britain, CT (12 mi)
- Quest Diagnostics, Bloomfield, CT (13 mi)
- Cars-farmington, Farmington, CT (13 mi)
- Ecpc-c Wallace Home, Avon, CT (14 mi)
- Quest Diagnostics LLC, Farmington, CT (15 mi)
- Connecticut Imaging Partners, Farmington, CT (16 mi)
- Jackson Laboratory For Genomic Medicine, The, Farmington, CT (16 mi)
- Quest Diagnostics LLC, Windham, CT (16 mi)
- Quest Diagnostics LLC, Southington, CT (17 mi)
- Dermatopathology Laboratory Of New England PC, Meriden, CT (18 mi)
- Quest Diagnostics LLC, Avon, CT (18 mi)
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Frequently asked questions
How many clinical laboratories serve Glastonbury?
We list 73 clinical laboratories serving Glastonbury, CT: 1 based there and 72 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 Glastonbury?
The top-ranked clinical laboratories serving Glastonbury, CT are Quest Diagnostics, LLC, Ct Gi Laboratory Powered By, Quest Diagnostics LLC, Accu Reference Medical Lab, LLC and Laboratory Corporation Of America Holdings. The full ranked list, with the official records each provider matched, is on this page.
Which clinical laboratories serving Glastonbury are verified against official records?
10 of the top 10 match an active official record: Quest Diagnostics, LLC (Centers for Medicare & Medicaid Services), Ct Gi Laboratory Powered By (Centers for Medicare & Medicaid Services), Quest Diagnostics LLC (Centers for Medicare & Medicaid Services), Accu Reference Medical Lab, LLC (Centers for Medicare & Medicaid Services) and Laboratory Corporation Of America Holdings (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 .