CLIA lab
CLIA 49D2208019: The Potomac School
Maclean, VA. Certificate and address details from the CMS Provider of Services file for clinical laboratories.
CLIA number 49D2208019 belongs to The Potomac School in Maclean, VA.
Certificate of Waiver, effective January 4, 2025, expires January 3, 2027.
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 Waiver
- Certificate effective
- January 4, 2025
- Certificate expiration
- January 3, 2027
- Status in the CMS file
- Active (termination code 00)
- Original participation date
- January 4, 2021
- Facility type
- School or student health service
- Ownership (control type)
- Other
- Lab classification
- CLIA laboratory
Source: CMS Provider of Services File, Clinical Laboratories (CLIA), as of October 16, 2026. Publisher page
Lab and contact
- CLIA number
- 49D2208019
- Lab name
- The Potomac School
- Address
- 1301 Potomac School Road, Maclean, VA 22101
- Phone
- (703) 749-6380
- Fax
- (703) 356-4651
Annual test volume the lab reported
- Waived tests
- 30,000
Volumes are what the lab reported to CMS on its CMS-116 application, as carried in the file.
Related
Questions
What is the CLIA number for The Potomac School in Maclean?
49D2208019, per the CMS Provider of Services file posted October 16, 2026.
What CLIA certificate does The Potomac School hold?
A Certificate of Waiver, according to the CMS file.
When does CLIA 49D2208019 expire?
The CMS file lists January 3, 2027 as the certificate expiration date; the certificate took effect January 4, 2025.