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.
The Transportation Security Administration (TSA) invites public comment on one currently approved Information Collection Request (ICR), Office of Management and Budget (OMB) control number 1652-0028, abstracted below, that we will submit to OMB for revision in compliance with the Paperwork Reduction Act (PRA).