CLIA lab

CLIA 21D2205963: Mclean School

Potomac, MD. Certificate and address details from the CMS Provider of Services file for clinical laboratories.

CLIA number 21D2205963 belongs to Mclean School in Potomac, MD.

Certificate of Waiver, effective December 16, 2024, expires December 15, 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 Waiver
Certificate effective
December 16, 2024
Certificate expiration
December 15, 2026
Status in the CMS file
Active (termination code 00)
Original participation date
December 16, 2020
Facility type
School or student health service
Ownership (control type)
Private
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
21D2205963
Lab name
Mclean School
Address
8224 Lochinver Lane, Potomac, MD 20854
Phone
(301) 299-8277
Fax
(301) 299-1639

Annual test volume the lab reported

Waived tests
55,000

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 Mclean School in Potomac?

21D2205963, per the CMS Provider of Services file posted October 16, 2026.

What CLIA certificate does Mclean School hold?

A Certificate of Waiver, according to the CMS file.

When does CLIA 21D2205963 expire?

The CMS file lists December 15, 2026 as the certificate expiration date; the certificate took effect December 16, 2024.

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