Collection of source material.
21 C.F.R. § 640.52
in effectEffective: 2024-07-01(a) Whole blood used as a source of Cryoprecipitated AHF shall be collected as prescribed in § 640.4. Whole blood from which both Platelets and Cryoprecipitated AHF is derived shall be maintained as required under § 640.24 until the platelets are removed.
(b) If plasmapheresis is used, the procedure for collection shall be as prescribed in § 640.64 (except that paragraph (c)(3) of that section shall not apply), and 640.65.
Source: eCFRURL: https://www.ecfr.gov/api/versioner/v1/full/2024-07-01/title-21.xmlFetched: 7/26/2026
