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About CLSI


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Take advantage of a career opportunity with CLSI today.

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CLSI is a dynamic, not-for-profit organization with a mission to improve the quality of health care testing through the development of standardized best practices. We are a group of committed individuals located in suburban Philadelphia; however, we have a broad impact and work with volunteers and colleagues around the world.


Did You Know?

CLSI distributes more than
75,000 standards and guidelines per year, worldwide.


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