CLIA lab
CLIA 26D2226828: Washington University Childrens After Hours
O Fallon, MO. Certificate and address details from the CMS Provider of Services file for clinical laboratories.
CLIA number 26D2226828 belongs to Washington University Childrens After Hours in O Fallon, MO.
Certificate of Waiver, effective June 4, 2025, expires June 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
Run it in Rivvi
Map your lab's test names to LOINC codes
Open in RivviFree to start. Opens Rivvi, the AI workspace for healthcare teams.
Certificate
- Certificate type
- Certificate of Waiver
- Certificate effective
- June 4, 2025
- Certificate expiration
- June 3, 2027
- Status in the CMS file
- Active (termination code 00)
- Original participation date
- June 4, 2021
- Facility type
- Physician office
- 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
- 26D2226828
- Lab name
- Washington University Childrens After Hours
- Additional name
- Care
- Address
- 2206 Hwy K, O Fallon, MO 63368
- Phone
- (636) 696-4790
- Fax
- (636) 696-4782
Annual test volume the lab reported
- Waived tests
- 3,600
Volumes are what the lab reported to CMS on its CMS-116 application, as carried in the file.
Other labs in O Fallon, MO
- Abbey Senior HealthCertificate of Waiver, Skilled nursing or nursing facility26D2019712
- Assisted Living at the MeadowlandsCertificate of Waiver, Assisted living facility26D2013101
- BJC Medical Group Cardiolgy at O'FallonCertificate of Waiver, Physician office26D2082579
- BJC Medical Group Family Medicine at WinghavenCertificate of Waiver, Physician office26D2345155
- BJC Medical Group Internal Medicine at WinghavenCertificate of Waiver, Physician office26D2345157
- BJC Medical Group Women's Care at Progress WestCertificate for Provider-Performed Microscopy Procedures, Physician office26D1074993
- BJC Medical Group at O'FallonCertificate of Waiver, Physician office26D0951322
- BJC Medical Group at Progress West 1Certificate for Provider-Performed Microscopy Procedures, Physician office26D1063703
- BJC Outpatient ImagingCertificate of Waiver, Physician office26D2344376
- Care Atc-KeatonCertificate of Waiver, Physician office26D2165179
Related
Questions
What is the CLIA number for Washington University Childrens After Hours in O Fallon?
26D2226828, per the CMS Provider of Services file posted October 16, 2026.
What CLIA certificate does Washington University Childrens After Hours hold?
A Certificate of Waiver, according to the CMS file.
When does CLIA 26D2226828 expire?
The CMS file lists June 3, 2027 as the certificate expiration date; the certificate took effect June 4, 2025.