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The Medical Laboratory Evaluation Program

MLE offers prompt, knowledgeable customer service including experienced laboratory professionals for technical support. MLE Customer Service Representatives are available Monday-Friday from 9:00 a.m. to 5:00 p.m. Eastern Time to assist you with the following:

  • Regulatory information.
  • Order selection to ensure you enroll in the most economical order option(s) for the tests you perform.
  • Feasibility of offering new analytes at your request.
  • Support during proficiency testing events.

Additionally, experienced laboratory professionals will guide you through the following:

  • Technical issues.
  • Interpretation of your results.
  • Steps necessary for corrective action.

Call MLE Customer Service 800-338-2746, option 5, or e-mail us at, if you have any questions about MLE or other laboratory related questions.

If you have any questions or would like to register for Online Results Reporting, e-mail for assistance.

Email MLE to sign up for the E-notification service on waived testing