Transfused platelets (plts) are either pooled random-donor platelet (plt) concentrates or single-donor apheresis plts. When stored for 5 days, all of these products are equally efficacious.
There are three parts to a CUSIP Number. Example: 912828 + NB + 2 would be 912828NB2 CUSIP 1  #. The First 6 digits (912828) identify the issuer. 2  In this case, the issuer is the Treasury Department. 3  The next two characters (NB) identifies the specific bond. 4  The last digit (2) has no significance in identifying the bond.
For debt issuance, CUSIPs are given to 144A offerings, Reg S offerings, and are assigned for accredited investor offering, or registered offerings, are a combination of all these rules. Thus, sometimes a debt issuance may receive three or even four CUSIPs, one each to represent each rule.