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.
Employees who are in travel status should utilize buses, metros, taxis, etc., to the fullest extent practicable. top. 114S-38.301-71 Authorization to Use a Government-Owned or -Leased Motor Vehicle Between Employee's Domicile and Place of Employment While in Travel Status. (a) Authority.