[Code of Federal Regulations] [Title 21, Volume 7] [Revised as of April 1, 2008] From the U.S. Government Printing Office via GPO Access [CITE: 21CFR660.20] [Page 121] TITLE 21--FOOD AND DRUGS CHAPTER I--FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN SERVICES (CONTINUED) PART 660_ADDITIONAL STANDARDS FOR DIAGNOSTIC SUBSTANCES FOR LABORATORY TESTS-- Subpart C_Blood Grouping Reagent Sec. 660.20 Blood Grouping Reagent. Source: 53 FR 12764, Apr. 19, 1988, unless otherwise noted. (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 Sec. 660.28(d). (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. [53 FR 12764, Apr. 19, 1988, as amended at 65 FR 77499, Dec. 12, 2000] [[Page 122]]