CMS proposed requiring the use of the JZ modifier in all instances in which there are no discarded amounts of single-dose and single-use package drugs. In the CY 2023 Medicare Physician Fee Schedule (MPFS) final rule, CMS codified the JW modifier for wasted or discarded units...
The agency states that the code will not be payable when an office visit is reported with modifier 25 or bundled with another service. Also, the code "would not be appropriately reported, such as when the care furnished during the [office] E/M visit is provided by a professional...