10/08/2026
Looking to enter, continue, or advance in the clinical laboratory profession? Meet the American Board of Bioanalysis (ABB).
ABB is an internationally recognized, CMS-approved, not-for-profit certifying board under the CLIA program. It evaluates individuals based on their education, experience, and knowledge of the laboratory field, and certifies those who meet its requirements for clinical laboratory directors, consultants, and supervisors.
Established by the American Association of Bioanalysts (AAB) in 1968, ABB has grown alongside the profession. Its certifications now include:
High-Complexity Clinical Laboratory Director (HCLD)
Embryology Laboratory Director (ELD)
Andrology Laboratory Director (ALD)
Public Health Laboratory Director (PHLD)
For more information on certifications, exam preparation, and the application process, visit: https://www.aab.org/aab/About_ABB.as