21 CFR § 640.51 Additional Standards for Human Blood and Blood Products§ 640.51 Eligibility of donors.Current through Sep 8, 2026 · Read all of Part 640(a) Whole blood donors must meet the criteria for eligibility prescribed in §§ 630.10 and 630.15 of this chapter. (b) Collection establishments must determine the eligibility of plasmapheresis donors in accordance with §§ 630.10 and 630.15 of this chapter. [80 FR 29905, May 22, 2015]