Platelet concentrates should contain minimum 3 x 1011 platelets in 75%
of the units tested amongst 1% of monthly production or 4 platelet
concentrates per month, whichever is higher. They can be stored for 3/
5 days at 220C +20C with continuous agitation depending on the blood
bag used.
The pH must be 6 or higher at the end of permissible storage period (3-
5 days)in all the PC units.