CFR›Title 21›Chapter I›Part 640›Subpart D ContainsSections 640.30–640.34CorpusDaily eCFRDisplayed edition2026-04-15Last updated2026-04-15 Subpart D—Plasma Sections 640.30 § 640.30 Plasma. 640.31 § 640.31 Eligibility of donors. 640.32 § 640.32 Collection of source material. 640.33 § 640.33 Testing the blood. 640.34 § 640.34 Processing. Previous C Subpart C—Platelets Next F Subpart F—Cryoprecipitate