Why Choose AAB-MLE?

Experienced Proficiency Testing

American Association of Bioanalysts Medical Laboratory Evaluation (AAB-MLE) is one of the nation’s largest full-service proficiency testing programs, servicing more than 6,500 clinical testing centers. Our clients include Physician Office Laboratories (POL), Public Health facilities, Reference Laboratories, Federal Agency Medical Centers, Hospital Laboratories and other medical laboratories in over 9 countries around the world.

The AAB-MLE program is approved for all analytes by Clinical Laboratory Improvements Amendments (CLIA), The Joint Commission (TJC), Centers for Medicaid and Medicare Service (CMS), COLA, and all state agencies to satisfy proficiency testing requirements, as well as international regulatory bodies.


  • First-class Customer Service and Technical Support

  • Broad flexible test menu including embryology and andrology

  • Economical Waived Testing modules and cost-effective “add-ons”

  • Price Matching Options

  • Off-Cycle Proficiency Testing: available to every laboratory, regardless of AAB-MLE enrollment status

  • Online Capabilities

    • Online result reporting
    • Evaluation reports
    • Participant Summaries
  • FREE online continuing education courses