#1M1 Labs
Based in Columbiana, OH
Clinical & Reference Laboratories in Columbiana County, OH
The top-ranked clinical laboratories serving Columbiana County, OH are M1 Labs, Quest Diagnostics Of Pennsylvania Inc and Pharma Genlabs, LLC. We list 3 clinical laboratories serving Columbiana County, OH. 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 Columbiana County, OH. 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 Columbiana County
| # | Provider | Verified records | Based in | Phone |
|---|---|---|---|---|
| 1 | M1 Labs | CLIA-certified laboratory (certificate of compliance or accreditation, CMS)#36D2176327 | Columbiana, OH | (984) 250-7661 |
| 2 | Quest Diagnostics Of Pennsylvania Inc | CLIA-certified laboratory (certificate of compliance or accreditation, CMS)#36D1067585 | OH | (330) 318-1118 |
| 3 | Pharma Genlabs, LLC | CLIA-certified laboratory (certificate of compliance or accreditation, CMS)#36D2255017 | OH | (330) 953-1093 |
#2Quest Diagnostics Of Pennsylvania Inc
Serves this area from OH#3Pharma Genlabs, LLC
Serves this area from OH
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Frequently asked questions
How many clinical laboratories serve Columbiana County?
We list 3 clinical laboratories serving Columbiana County, OH: 1 based there and 2 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 Columbiana County?
The top-ranked clinical laboratories serving Columbiana County, OH are M1 Labs, Quest Diagnostics Of Pennsylvania Inc and Pharma Genlabs, LLC. The full ranked list, with the official records each provider matched, is on this page.
Which clinical laboratories serving Columbiana County are verified against official records?
3 of the top 3 match an active official record: M1 Labs (Centers for Medicare & Medicaid Services), Quest Diagnostics Of Pennsylvania Inc (Centers for Medicare & Medicaid Services) and Pharma Genlabs, LLC (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
Salem, East Liverpool, Columbiana, East Palestine, Calcutta, Wellsville, Lisbon, Glenmoor, Leetonia, Guilford Lake, Salineville, New Waterford, La Croft, Washingtonville, Lake Tomahawk, Homeworth, Hanoverton, Salem Heights, Negley, East Rochester, Rogers, Summitville