CLIA lookup
CLIA Labs in Baltimore, MD
Every lab with an active CLIA certificate at a city address, A to Z. Open a lab for its certificate dates.
681 labs in Baltimore, MD hold an active CLIA certificate in the CMS file posted October 16, 2026.
519 hold a Certificate of Waiver.
Source: CMS Provider of Services File, Clinical Laboratories (CLIA), as of October 16, 2026. Publisher page
License: a US government work, in the public domain (Public Domain Mark 1.0).
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CLIA Labs in Baltimore, MD
Source: CMS Provider of Services File, Clinical Laboratories (CLIA), as of October 16, 2026. Publisher page
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Questions
How many CLIA labs are in Baltimore, MD?
681 labs with a Baltimore address hold an active CLIA certificate in the CMS file posted October 16, 2026.
What certificates do Baltimore labs hold?
519 Certificate of Waiver, 83 Certificate for Provider-Performed Microscopy Procedures, 52 Certificate of Accreditation, 22 Certificate of Compliance, 5 Certificate of Registration.
What does a CLIA number look like?
Ten characters: two digits, the letter D, then seven digits (for example 45D2100035). CMS assigns one to each laboratory certificate under the Clinical Laboratory Improvement Amendments.