Whether your laboratory is testing for potentially life-altering diseases like COVID-19 or drawing blood for basic metabolic panels, the patients you are testing expect the results of those tests to be entirely accurate. To ensure the reliability and precision of their patient’s test results, clinical laboratories in the U.S. must adhere to the regulations defined in the Clinical Laboratory Improvement Amendments (CLIA). If your laboratory currently conducts or plans to conduct testing on humans and you’re wondering how CLIA applies to your facility, there are three fundamental questions that first must be addressed.
All laboratories in the U.S. that perform testing on humans — approximately 260,000 laboratories nationwide — are generally subject to the CLIA laboratory testing regulations enforced by the Centers for Medicare & Medicaid Services (CMS). CLIA quality control standards were established in 1988 and apply to any facility that performs even one applicable test on “materials derived from the human body for the purpose of providing information for the diagnosis, prevention, or treatment of any diseased or impairment of, or the assessment of the health of, human beings.”(1) Any facility that conducts testing for these purposes is considered to be a laboratory within the scope of CLIA. They must therefore be certified with the CLIA program that corresponds with the complexity of the tests performed.
There are two states, New York and Washington, that maintain their own CMS-approved regulatory programs for clinical laboratories. Facilities in those states should contact the appropriate state agency to determine whether separate CLIA certification is needed.
There are also three unique types of human-testing laboratories that are not subject to CLIA certification:(2)
The regulatory requirements of CLIA vary based on the types of tests a laboratory performs. CLIA regulatory requirements classify testing into three categories: high complexity, moderate complexity and waived. There are five different types of CLIA certifications, and each is generally effective for two years.(3)
The application for CLIA certification, Form CMS-116, is available on the CMS website. Once completed, the application must be delivered to the local agency for the state in which the laboratory facility is located. (A current list of state agencies can be found on the CMS website.) Some survey agencies have state-specific requirements, so it’s always prudent to contact the appropriate state agency prior to submitting an application.
If a laboratory has more than one location, a CLIA certificate is needed for each facility unless the laboratory:
To learn how digitization can streamline your laboratory’s CLIA compliance processes, visit our compliance information page.
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