In order to ensure that your office is correctly billing modifiers, we encourage you to review the Blue Cross and Blue Shield of North Carolina (BCBSNC) Corporate Medical Policy addressing Modifier Guidelines, which was last revised in December 2013 and available online at: http://www.bcbsnc.com/assets/services/public/pdfs/medicalpolicy/modifier_ ...
Faden quartz is a descriptive term for a usually tabular group of quartz crystals with a white thread-like or string-like zone running through the interior. The term faden is a German word for thread. They are found in the Alpine region of Europe, Pakistan, Russia and Arkansas.
In wireless communications, fading is deviation of the attenuation affecting a signal over certain propagation media. The fading may vary with time, geographical position or radio frequency, and is often modeled as a random process. A fading channel is a communication channel that experiences fading.