Modifier KX - documentation on file. Can someone please explain this modifier to me? Our Medicare carrier is telling us to put it on all of our DME's, but I don't completely understand the definition documentation on file or how it pertains the therapy caps, etc.
The Great Basin itself is a vast area of the western United States located primarily between the Rocky and Sierra Nevada mountain ranges, including areas of Utah, Nevada, California, Idaho, and Oregon.
The Wind River Basin in central Wyoming and the Green River, Great Divide, and Washakie Basins are major basins in the south. The Great Divide Basin runs along the Continental Divide. There is little rainfall in this area.