Section 3 - Resources

Published 10/31/2023

  • Help Guide: For guidance on how to navigate DEX® Diagnostics Exchange Registry, where to find information, and answers to the most common questions, please find our online help guide available in the top right corner of every page in DEX; just click “Help.”
  • DEX Administrator FAQs (PDF): For administrator users in the DEX Diagnostics Exchange Registry, refer to this FAQ for important information on adding a test to obtain a DEX Z-Code®, obtaining a Z-Code from your reference lab or kit manufacturer through Sharing, and other administrative tasks.
  • Customer Service: If you haven't found the answers, please contact us at