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.
See: Leonard J. Arrington, Great Basin Kingdom (1958); Gloria Griffen Cline, Exploring the Great Basin (1963); Samuel G. Houghton, A Trace of Desert Waters, The Great Basin Story (1986); Brigham D. Madsen, ed., Exploring the Great Salt Lake, The Stansbury Expedition of 1849-50 (1989); John McPhee, Basin and Range (1981); Dale L. Morgan, The Great ...