[Code of Federal Regulations] [Title 21, Volume 8] [Revised as of April 1, 2001] From the U.S. Government Printing Office via GPO Access [CITE: 21CFR864.5700] [Page 220] TITLE 21--FOOD AND DRUGS CHAPTER I--FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN SERVICES--(Continued) PART 864--HEMATOLOGY AND PATHOLOGY DEVICES--Table of Contents Subpart F--Automated and Semi-Automated Hematology Devices Sec. 864.5700 Automated platelet aggregation system. (a) Identification. An automated platelet aggregation system is a device used to determine changes in platelet shape and platelet aggregation following the addition of an aggregating reagent to a platelet-rich plasma. (b) Classification. Class II (performance standards). [45 FR 60602, Sept. 12, 1980]