04/22/2026
Is your laboratory registered with the DEX Exchange?
The MoIDX program started as a regional Medicare requirement, but it has become an industry-wide standard. Major commercial payers including UnitedHealthcare, Humana, and OptumCare now require Z-Code® Identifiers on molecular diagnostic claims.
Our latest article, written by Lab RCM Manager Tami Shaw, walks you through everything: what MoIDX is, how the Z-Code process works, and what it means for your reimbursement.
Learn how the MolDX program, Medicare MACs, and Z-code identifiers affect your laboratory's billing and reimbursement. Expert guidance from ARIA RCM Services.