To replenish the inventory, the Blood Banks routinely issue blood packets, which are close to the expiry date. Which of the following will be the closest to expiry date, according to the anticoagulant used and the method of storage of the packet:
Following irradiation, the expiration of an RBC unit is 28 days from irradiation, or the original expiry date, whichever is earlier.
CPDA, 27 days
SAGM, 25 days with irradiation
SGAM, 35 days
ACD, 14 days