CSL Plasma operates a loyalty program that rewards donors for their regular plasma donations. CSL Plasma Coupon The program may vary slightly between different CSL Plasma locations, but the general concept remains consistent. Donors earn points for each plasma donation they make, and these points can be redeemed for various rewards, such as prepaid debit cards, merchandise, or sweepstakes entries. The more frequently donors donate, the higher their reward tier and the greater the potential rewards.