#1Quest Diagnostics-carilion Giles Community
Serves this area from VA
Clinical & Reference Laboratories in Mercer County, WV
The top-ranked clinical laboratories serving Mercer County, WV are Quest Diagnostics-carilion Giles Community, Central Labs Inc and Quest Diagnostics. We list 3 clinical laboratories serving Mercer County, WV. 3 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 Mercer County, WV. 3 providers, 3 of the top 3 verified against federal or state records. Registry records checked on 2026-11-04.
Top 3 ranked clinical laboratories for Mercer County
| # | Provider | Verified records | Based in | Phone |
|---|---|---|---|---|
| 1 | Quest Diagnostics-carilion Giles Community | CLIA-certified laboratory (certificate of compliance or accreditation, CMS)#49D0016330 | VA | (540) 266-6502 |
| 2 | Central Labs Inc | CLIA-certified laboratory (certificate of compliance or accreditation, CMS)#51D0898048 | Pineville, WV (27 mi) | (304) 732-9552 |
| 3 | Quest Diagnostics | CLIA-certified laboratory (certificate of compliance or accreditation, CMS)#49D0233464 | Tazewell, VA (29 mi) | (540) 266-6502 |
#2Central Labs Inc
Serves this area from Pineville, WV (27 mi)#3Quest Diagnostics
Serves this area from Tazewell, VA (29 mi)
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Frequently asked questions
How many clinical laboratories serve Mercer County?
We list 3 clinical laboratories serving Mercer County, WV: 0 based there and 3 serving it from nearby. 3 of the top 3 match an active federal or state record, checked on 2026-11-04.
Which clinical laboratories serve Mercer County?
The top-ranked clinical laboratories serving Mercer County, WV are Quest Diagnostics-carilion Giles Community, Central Labs Inc and Quest Diagnostics. The full ranked list, with the official records each provider matched, is on this page.
Which clinical laboratories serving Mercer County are verified against official records?
3 of the top 3 match an active official record: Quest Diagnostics-carilion Giles Community (Centers for Medicare & Medicaid Services), Central Labs Inc (Centers for Medicare & Medicaid Services) and Quest Diagnostics (Centers for Medicare & Medicaid Services). 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 .
Communities served
Bluefield, Princeton, Bluewell, Athens, Brush Fork, Montcalm, Lashmeet, Bramwell, Matoaka, Oakvale