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About CLSI


Fostering Excellence in Laboratory Medicine

CLSI brings together the worldwide laboratory community to advance a common cause.

Our Vision

Quality practices for better health.

Our Mission

Develop clinical and laboratory practices and promote their use worldwide.

Our Values

  • Inclusiveness
    We include the viewpoints of industry, government, and the health care professions in a consensus-driven process.
  • Excellence
    We continuously improve upon our tradition of technical excellence and superior quality.
  • Responsiveness
    We proactively identify and respond to the needs of our stakeholders in an open and timely manner.
  • Integrity
    We act ethically and with fairness, trust, respect, and openness.
  • Teamwork
    We are committed to effective collaboration among members, volunteers, staff, and other partners.


CLSI by the Numbers

active participants

countries have clsi members

standards and guidelines distributed per year, worldwide


6 − = five

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