Donation basics
How Blood Banks Store Blood Safely
Cold chains, expiry dates and why fresh donors still matter.
Strict cold chains
Red cells live at 2–6°C, plasma frozen at −30°C, platelets at 20–24°C under constant agitation — each with monitored, alarmed storage.
Expiry is the enemy
Because platelets last days and red cells weeks, banks balance stock continuously; expired units are destroyed, which is why steady voluntary donation beats occasional floods from camps.
Registries complement banks
A live donor network like HelpALife acts as 'walking storage' — rare groups especially are often summoned fresh rather than stocked.
Frequently asked questions
Can I donate directly to a specific patient?
Yes, replacement/direct donation via the hospital blood bank after screening.
Why do banks sometimes refuse stock transfers?
Cold-chain integrity — blood that leaves a validated chain can't be trusted for transfusion.