Quick Tips

CDC supports the CLIA program in partnership with the Centers for Medicare and Medicaid Services (CMS) and the Food and Drug Administration (FDA). Answers to most questions about the CLIA program can be found on the CMS CLIA website or by emailing CMS. Since CDC frequently receives CLIA-related questions,  we provide links to information about the most common topics.


Find out how to apply for a certificate.

Get answers to questions about W-9 forms, certificate status, renewal fee coupon, updating certificate information, regulations, and licensure from your state agency.

Pay your CLIA laboratory user fee online or mail your payment to the address on the coupon by U.S. Postal Service only.

Look up your CLIA certificate expiration date using your certificate number or laboratory name.

Learn how to report a complaint about a laboratory and call CMS at 1-877-267-2323, extension 63531.


Download or order free brochures and booklets for waived testing, such as “To Test or Not to Test?” and “Ready? Set? Test!”, Provider-Performed Microscopy (PPM), or Individualized Quality Control Plan (IQCP) on the Free Educational Materials for Public Health and Clinical Laboratories page.

Get information about taking “Ready? Set? Test!“, the free, on-demand eLearning course available through CDC’s Laboratory Training website, where you can find many more free trainings, including ones that offer P.A.C.E.® credit.

Tests or Test Systems Cleared or Approved by the Food and Drug Administration

Use the CLIA test categorization database to look up things like tests and analytes.

Search a database of all FDA-cleared over the counter tests.

Other Helpful Links