UHC Delays Z-Code Start Date – Update
August 10, 2023In order to ensure laboratories have sufficient time to complete the registration process for Phase 1 CPT® codes, UHC will begin enforcing Z-Code requirements starting Oct. 1, 2023.
Source: https://www.uhcprovider.com/en/resource-library/news/2023/expanded-dex-z-codes-molecular-tests.html