Intra-fraction localization and tracking of target or patient motion during delivery of radiation therapy (eg,3d positional tracking, gating, 3d surface tracking), each fraction of treatment

Still listed by CMS but carries a termination date, so it is not valid for a current date of service.

Terminated with effect from 2025-12-31. First published 2023. CMS still lists this code in the current quarterly file - it carries a termination date rather than being removed.