21 CFR § 640.14 Additional Standards for Human Blood and Blood Products§ 640.14 Testing the blood.Current through Sep 8, 2026 · Read all of Part 640Blood from which Red Blood Cells are prepared shall be tested as prescribed in § 610.40 of this chapter and § 640.5 (b) and (c). [53 FR 117, Jan. 5, 1988, as amended at 66 FR 31165, June 11, 2001; 80 FR 29904, May 22, 2015]