In an excellent Linked In posting, CMS consultant John Warren emphasizes that you can't do crosswalks and gapfill decisions any more, without understand the genealogy of how your comparable codes were priced by CMS. Was it by gapfill? By PAMA? By a crosswalk? If a crosswalk, what's happening to the crosswalk code?
Sounds like a hall of mirrors, but it's facts you gotta track today.
Find the posting here:
