(a) Identification.
         A platelet aggregometer 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).
     
    
        
            Code of Federal Regulations
        
        [45 FR 60608, Sept. 12, 1980]