21 CFR 640.53 - Testing the blood.
(b) The tests shall be performed on a sample of blood collected at the time of collecting the source blood, and such sample container shall be labeled with the donor's number before the container is filled.
(c) Manufacturers of Cryoprecipitated AHF obtained from plasma collected by plasmapheresis shall have testing and record-keeping responsibilities equivalent to those prescribed in §§ 640.71 and 640.72.
Title 21 published on 2015-12-03.
No entries appear in the Federal Register after this date, for 21 CFR Part 640.