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 park derives its name from the Great Basin, the dry and mountainous region between the Sierra Nevada and the Wasatch Mountains. Topographically, this area is known as the Basin and Range Province. The park is located approximately 290 miles (470 km) north of Las Vegas and protects 77,180 acres (31,230 ha).