Welcome to WSLH Proficiency Testing

WSLH Proficiency Testing has been a provider of proficiency testing services for over 50 years.  As the only proficiency testing provider that is part of a working laboratory and a top US public university, our mission is focused on promoting education and public health to laboratories nationwide.

Our services include:

  • Personal account management assistance
  • Troubleshooting and consultation available from our staff of Medical Technologists
  • Flexible ordering options with competitive pricing
  • Wide array of quality assurance options
  • Web based management tools
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Contact WSLH Proficiency Testing – 800-462-5261 – PTService@slh.wisc.edu