[Code of Federal Regulations] [Title 21, Volume 7] [Revised as of April 1, 2008] From the U.S. Government Printing Office via GPO Access [CITE: 21CFR660.32] [Page 125] TITLE 21--FOOD AND DRUGS CHAPTER I--FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN SERVICES (CONTINUED) PART 660_ADDITIONAL STANDARDS FOR DIAGNOSTIC SUBSTANCES FOR LABORATORY TESTS-- Subpart D_Reagent Red Blood Cells Sec. 660.32 Collection of source material. Blood for Reagent Red Blood Cells from donors of peripheral blood shall be collected as prescribed under Sec. 640.4 of this chapter, except that paragraphs (c), (d), (g), and (h) of Sec. 640.4 shall not apply.