Improving Quality Patient Care Through Accurate Diagnostic 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. It is approved for all analytes by Clinical Laboratory Improvements Amendments (CLIA), Joint Commission on Accreditation of Healthcare Organizations (JCAHO), Centers for Medicaid and Medicare Service (CMS), COLA, and all state agencies to satisfy proficiency testing requirements.

Why Choose AAB Medical Laboratory Evaluation

First-Class Service

Immediate Customer Service and Technical Support by experienced laboratory professionals

Competitive Pricing

Discount offers and Competitior Price Matching for the same test menu coverage.

Online Capabilities

Online ordering, result reporting, evaluation reports, and participant summaries.

Continuing Education

Free online continuing education courses to all employees of a participating lab.

Extensive Test Menu

Broad flexible test menu with economical Waived Testing modules

International Service

Worldwide shipping & handling for international laboratories.

Already Enrolled?

Report your results, access evaluation reports and renew or make changes to your order.
Access year-by-year information and data on AAB Medical Laboratory Evaluation testing events
Find answers to your questions and more in our Frequently Asked Questions section.

New Modules & Reconfigurations


NEW - Miscellaneous Cultures (Add-On)


NEW - Parasitology


NEW - SARS-CoV-2 Antigen


NEW - SARS-CoV-2 Molecular


NEW -SARS-CoV-2 Serology


PVA Slides (Add-on)


Prealbumin (Now included)