You should submit corrected claims only when information has changed on the claim. For example: Errors were found involving diagnosis, procedure, date, or modifier. Claims contained missing, incorrect, or incomplete data according to our claim submission criteria.
In the context of Venn diagrams, the universe is not everything, but everything you're dealing with right now. Let's deal with the following list of things: moles, swans, rabid skunks, geese, worms, horses, Edmontosorum (a variety of duck-billed dinosaurs), platypusses, and a very fat cat.
(October 2013) A schematic, or schematic diagram, is a representation of the elements of a system using abstract, graphic symbols rather than realistic pictures. A schematic usually omits all details that are not relevant to the information the schematic is intended to convey, and may add unrealistic elements that aid comprehension.