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 Great Basin Desert is one of four U.S. deserts, occupying a large portion of Nevada, portions of California, Oregon and Idaho, and the western desert reaches of Utah.act Three. The Great Basin Desert exists because the Sierra Nevada and Cascade Mountains create a rain shadow, cooling Pacific Ocean air and stripping it of its moisture. The air then exits the mountains in a state dry enough to absorb moisture from the region on its far side, causing the desert conditions.