US lawFederal (United States)RegulationsTitle 21 CFR — Food and DrugsChapter I — FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN SERVICESPart 640 — ADDITIONAL STANDARDS FOR HUMAN BLOOD AND BLOOD PRODUCTSSubpart A — Whole Blood640.121 C.F.R. § 640.1Whole Blood.Last amended: 2016Year: 2026Length: 40 wordsOfficial source Cite as 21 C.F.R. § 640.1 (2026)The proper name of this product shall be Whole Blood. Whole Blood is defined as blood collected from human donors for transfusion to human recipients. [38 FR 32089, Nov. 20, 1973, as amended at 50 FR 4138, Jan. 29, 1985]Next21 C.F.R. § 640.2