The evaluation on the performance and etymologies of Beckman AU680 biochemical analyser

Objective To analyze the performance characteristics of Beckman AU680 biochemical analyser and to identify whether the performance can meet the demands of the laboratory or not.Methods In accordance with the clinical laboratory management and the national laboratory accreditation requirements,the precision and degree of accuracy,and linearity,contamination rate of the item on alkaline phosphatase(ALP),aspartate aminotransferase(AST),serum creatinine(Cr),serum total bilirubin(TBil) were indentified by the United States clinical and Laboratory Standards Institute(CLSI)EP5-A2and EP6-A documents respectively,and potassium(K+),sodium(Na+) and Chlorine(Cl-) were used EP9-A2 document.Accuracy rates of the items were analysed to compare with Olympus AU2700.Results Beckman AU680 biochemical analyzer the within-batch precision coefficient of variation(CV) of ALP,AST,TBil,Cr,K+,Na+,Cl-were less than or equal as that of the quarter of CLIA ′ 88,and the total precision was lower than or equal to one-third of CLIA ′ 88.As the accuracy test,ALP,AST,TBil,Cr were determined about the corresponding quality controls,and the measuring range of quality controls were compared in a given range.In the Beckman AU680 and Olympus AU2700 experiment,K+,Na+,Cl-detection systems were related,the correlation coefficient r20.92,the relative bias of all items could be accepted at different medical determined levels according to the half of CLIA ′88 standard.The linearities of ALP,AST,TBil,Cr in the Beckman AU680 detection system were also good in the linear range(r20.95).Conclusion The Beckman AU680 Biochemical analyzer can meet the needs of the laboratory performance.