This information is sought out by medical professionals, medical insurance providers, laboratory equipment manufacturers, laboratory owners seeking the status of their certification, laboratory technicians, laboratory professionals, and the general public.

The information in this API is provided by the Centers for Medicare & Medicaid Services (CMS), which is the agency with authority for CLIA certificate information. The data in this API is updated regularly but there may be delays before laboratories recently certified by CMS appear in the results. In the event of a discrepancy, visit the CMS CLIA Laboratory Demographics Lookup webpage and click on CLIA Laboratory Lookup under “Tools” to verify laboratory information. Contact CMS directly at LabExcellence@cms.hhs.gov for questions about a CLIA certificate.