{"data":{"id":"us/21-cfr-660.20","jurisdiction":"us","citation":"21 CFR 660.20","heading":"Blood Grouping Reagent.","body":"(a) Proper name and definition. The proper name of this product shall be Blood Grouping Reagent and it shall consist of an antibody-containing fluid containing one or more of the blood grouping antibodies listed in § 660.28(a)(4).\n(b) Source. The source of this product shall be blood, plasma, serum, or protein-rich fluids, such as those derived from stable immunoglobulin-secreting cell lines maintained either in tissue cultures or in secondary hosts.","path":["Title 21—Food and Drugs","CHAPTER I—FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN SERVICES","SUBCHAPTER F—BIOLOGICS","PART 660—ADDITIONAL STANDARDS FOR DIAGNOSTIC SUBSTANCES FOR LABORATORY TESTS","Subpart C—Blood Grouping Reagent"],"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":"e28d11a160f2ec72313b9dfbef52a601e6f856ce52abd2bad2ce56aa5a9c9b31","source_id":"us-cfr","stale":true,"prev":"us/21-cfr-660.6","next":"us/21-cfr-660.21"},"notice":"GroundRules: Original legal text. Not legal advice."}