January 21, 2022

FAQ available to support molecular diagnostic testing Z-Code requirement

In the September 2021 Network Bulletin, we shared a Molecular Pathology Policy update about the use of DEX Z-Codes™ for diagnostic test services. We are pleased to share a newly created FAQ to support the new Z-Code requirement. Read the FAQs.


On Oct. 1, 2021, UnitedHealthcare Medicare Advantage started requiring facility and professional claims in Medicare jurisdictions that have implemented the MolDX program to submit the appropriate DEX Z-Code for molecular diagnostic test services.

Laboratories that plan to submit claims for molecular diagnostic testing and are not currently registered with Palmetto’s DEX™ Diagnostics Exchange are urged to sign up today so that claims may be paid.

Read the FAQs.