Introduction -. On March 13, 2013, the Centers for Medicare & Medicaid Services (CMS) concurrently issued CMS Ruling Number CMS-1455-R (the Administratorâs Ruling) and a proposed rule, âPart B Inpatient Billing in Hospitalsâ (the Proposed Rule).
Topics covered in this Lesson: XRefs (External Reference Files in AutoCAD) An XRef is an âexternal reference' to another AutoCAD drawing file. One file can reference many other files and display them as if they were one. These are used in larger projects for many reasons: They keep the file sizes down.
What is a MDF file? Files given the .mdf extension contain a disc image of the information that has been saved on a CD or DVD. MDF files are similar to ISO files, but they are saved in a different format. In order for the DVD or CD data to be played back properly, the MDF file must be saved with an associated MDS file.