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Printed Date: 9/22/2015
Effective March 1, 2017, hospitals submitting claims (5010A1-837I) for molecular tests must first register in the Diagnostics Exchange. Once registered, hospital laboratories must enter the molecular tests they perform (See Molecular Diagnostic Program (MolDX) (M00106)) for applicable CPT codes (MolDX Manual (PDF, 178 KB) to receive a Z-Code assignment. If a hospital laboratory sends out testing to a reference laboratory, the hospital laboratory will request to share the reference laboratory’s test-specific DEX Z-Codes™. See the details below for more information.
Links to start registration process and add molecular tests:
To access and obtain a DEX Z-code™ identifier, follow these steps:
Request to share DEX Z-Code from reference laboratory(s):
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Last Updated: 03/01/2018
Applies to: MolDx
Article Topics: Appeals, Redeterminations, and PTANs