DEX Z-Codes Available at MayoMedicalLaboratories.com

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DEX Z-Codes are now available on MayoMedicalLaboratories.com. Below is a quick introduction to the codes and how to access them.


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WHAT ARE DEX Z CODES?

The DEX Z-Code Identifier is a unique 5-character alpha-numeric code associated with a specific molecular diagnostics (MDx) test. Z-Code Identifiers are assigned within the DEX Diagnostics Exchange based on the uniqueness of each test or manufacturer’s product being registered.


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WHO DOES THIS CHANGE AFFECT?

Clients in Medicare Administrative Contractor jurisdictions E and F (Noridian Healthcare Solutions), M (Palmetto GBA), and 15 (CGS Administrators, LLC).


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HOW DO I ACCESS THE Z CODES?

To access the DEX Z codes, you must first register through DEX.


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WHERE DO I ACCESS THE Z CODES?

After registering through DEX, the Z codes can be found at the Mayo Clinic Laboratories site in the Customer Service menu (or go there via this link). This requires signing into the site. The user must then attest to being a registered user of the DEX Diagnostic Exchange by clicking the blue "Access DEX Z-Codes" button. An Excel spreadsheet will open to display the z codes.

Z codes can also be viewed on the DEX Diagnostics Exchange.


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QUESTIONS?
Feel free to call the Business Office at (800) 447-6424

apriljosselyn

apriljosselyn

April Josselyn is a Marketing Channel Manager at Mayo Clinic Laboratories. She has worked at Mayo Clinic since 2012. Outside of work, April enjoys the outdoors and being "hockey mom" for her two sports-crazed boys.