{"data":{"id":"us/21-cfr-640.33","jurisdiction":"us","citation":"21 CFR 640.33","heading":"Testing the blood.","body":"(a) Blood from which plasma is separated shall be tested as prescribed in § 610.40 of this chapter and § 640.5 (b) and (c).\n(b) Manufacturers of Plasma collected by plasmapheresis shall have testing and recordkeeping responsibilities equivalent to those prescribed in §§ 640.71 and 640.72.","path":["Title 21—Food and Drugs","CHAPTER I—FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN SERVICES","SUBCHAPTER F—BIOLOGICS","PART 640—ADDITIONAL STANDARDS FOR HUMAN BLOOD AND BLOOD PRODUCTS","Subpart D—Plasma"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-21.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:24:47Z","sha256":"238327d99e3df678f112d7a039e1554781dc75ba81641f341cd87d4880bf5dda","source_id":"us-cfr","stale":true,"prev":"us/21-cfr-640.32","next":"us/21-cfr-640.34"},"notice":"GroundRules: Original legal text. Not legal advice."}