Regulations last checked for updates: Feb 12, 2026

Title 21 - Food and Drugs last revised: Dec 18, 2026
§ 640.20 - Platelets.

(a) Proper name and definition. The proper name of this product shall be Platelets. The product is defined as platelets collected from one unit of blood and resuspended in an appropriate volume of original plasma, as prescribed in § 640.24(d).

(b) Source. The source material for Platelets is plasma which may be obtained by whole blood collection or by plateletpheresis.

[40 FR 4304, Jan. 29, 1975, as amended at 47 FR 49021, Oct. 29, 1982; 50 FR 4139, Jan. 29, 1985; 72 FR 45887, Aug. 16, 2007]
source: 38 FR 32089, Nov. 20, 1973, unless otherwise noted.
cite as: 21 CFR 640.20