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 math a bar diagram is a pictorial representation of numerical data in the form of rectangles or Bars of equal widths and various heights.
Coordinates are the numbers used to tell us how to get to a certain point on a grid-eg, a graph or map. The grid will have an x axis which runs horizontally, and a y axis that runs vertically. Coordinates are written in pairs. The coordinate of P on the graph above is (2, 1).