Blood when stored at 4degC can be kept for -
Typically, blood storage at 4 degrees C is sho term, which ranges from a few days to a few weeks. However, long-term storage usually involvesblood being frozen, with a resultant loss in DNA yield. Ref baley and love textbook of surgery edition 27 pg 129
7 days
14 days
21 days
28 days
Haematology