how long is blood good for after donation
Confidence votes 597. Following volunteer whole blood donation, red blood cells (liquid) may be kept at 1-6 degrees C for up to 42 days, depending on the additive solution used. Rare units of red cells may be frozen for up to 10 years. Platelets have a shelf-life of 5 days, and must be stored at room temperature (20-24 degrees C) on a platelet rotator.