[Code of Federal Regulations] [Title 21, Volume 7] [Revised as of April 1, 2005] From the U.S. Government Printing Office via GPO Access [CITE: 21CFR640.61] [Page 101] TITLE 21--FOOD AND DRUGS CHAPTER I--FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN SERVICES (CONTINUED) PART 640_ADDITIONAL STANDARDS FOR HUMAN BLOOD AND BLOOD PRODUCTS --Table of Contents Subpart G_Source Plasma Sec. 640.61 Informed consent. The written consent of a prospective donor shall be obtained after a qualified licensed physician has explained the hazards of the procedure to the prospective donor. The explanation shall include the risks of a hemolytic transfusion reaction if he is given the cells of another donor, and the hazards involved if he is hyperimmunized. The explanation shall consist of such disclosure and be made in such a manner that intelligent and informed consent be given and that a clear opportunity to refuse is presented.