CLIA laboratories in District of Columbia

550 laboratories hold an active CLIA certificate in District of Columbia in the CMS file for Q2 2026 (latest record: Jun 29, 2026).

Credentialing a laboratory, checking a claim or a contract? A dated CLIA certificate report ($19) — or a whole list checked at once.

By certificate type

Certificate	Active laboratories
Certificate of Waiver	439
Certificate for Provider-Performed Microscopy (PPM)	63
Certificate of Accreditation	28
Certificate of Compliance	14
Certificate of Registration	6

Facility type	Active laboratories
Physician Office	196
Other	83
Intermediate Care Facility/Individuals with Intellectual Disabilities	36
Pharmacy	30
Home Health Agency	28
Community Clinic	22
School/Student Health Service	21
Hospital	18
Skilled Nursing/Nursing Facility	16
End Stage Renal Disease Dialysis	16
Other Practitioner	15
Federally Qualified Health Center	15
Ambulatory Surgery Center	10
Independent Laboratory	9
Mobile Lab	9
Ancillary Test Site	7
Health Fair	6
Assisted Living Facility	3
Rural Health Clinic	2
Hospice	2
Industrial	2
Health Maintenance Organization	1
Public Health Laboratory	1
Ambulance	1
Comprehensive Outpatient Rehab	1

City counts are the laboratories listed on this site; 42 more in District of Columbia carry only a person's name and are found by search.