In some anemias, such as pernicious anemia, the amount of variation (anisocytosis) in RBC size (along with variation in shape - poikilocytosis) causes an increase in the RDW.   The CBC is used as a broad screening test to check for such disorders as anemia, infection, and many other diseases.
Obtaining a Travel Authorization Number A Travel Authorization Number (T-Number) is required for those employees where a local rule applies and for all non-employee travel. It is needed for all travel involving an overnight stay or the purchase of an air, rail, or bus ticket.
You may request authorization online at http://owcp.dol.acs-inc.com. Or, you may fax the appropriate Medical Authorization form and supporting documentation to 800-215-4901. The Medical Authorization forms are available online at http://owcp.dol.acs-inc.com. Click on Forms and Links and then choose FECA from the Program Specific Forms and Links box.