CLIA lab
CLIA 21D0969951: Genedx, LLC
Gaithersburg, MD. Certificate and address details from the CMS Provider of Services file for clinical laboratories.
CLIA number 21D0969951 belongs to Genedx, LLC in Gaithersburg, MD.
Certificate of Accreditation, effective December 10, 2024, expires December 9, 2026.
Active in the CMS Provider of Services file posted October 16, 2026.
Source: CMS Provider of Services File, Clinical Laboratories (CLIA), as of October 16, 2026. Publisher page
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Certificate
- Certificate type
- Certificate of Accreditation
- Certificate effective
- December 10, 2024
- Certificate expiration
- December 9, 2026
- Status in the CMS file
- Active (termination code 00)
- Original participation date
- February 1, 2000
- Facility type
- Independent
- Ownership (control type)
- Proprietary
- Lab classification
- CLIA laboratory
- Accrediting organizations
- College of American Pathologists (CAP)
- Directly affiliated labs
- 1
Source: CMS Provider of Services File, Clinical Laboratories (CLIA), as of October 16, 2026. Publisher page
Lab and contact
- CLIA number
- 21D0969951
- Lab name
- Genedx, LLC
- Address
- 205 & 207 Perry Parkway, Gaithersburg, MD 20877
- Phone
- (301) 519-2100
Annual test volume the lab reported
- Tests under accreditation
- 626,714
Volumes are what the lab reported to CMS on its CMS-116 application, as carried in the file.
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Related
Questions
What is the CLIA number for Genedx, LLC in Gaithersburg?
21D0969951, per the CMS Provider of Services file posted October 16, 2026.
What CLIA certificate does Genedx, LLC hold?
A Certificate of Accreditation, according to the CMS file.
When does CLIA 21D0969951 expire?
The CMS file lists December 9, 2026 as the certificate expiration date; the certificate took effect December 10, 2024.