Critical Update for Part A providers billing MolDX
November 27, 2017Part A providers billing for molecular services have been advised to register for a DEX Z-Code identifier for each molecular test for which they bill Medicare. If a DEX Z-code has not already been obtained, go to DEX Diagnostics Exchange and select ‘register your organization.’ Effective December 1, 2017, claims submitted without a Z-Code will be rejected.