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Article in Chinese | WPRIM | ID: wpr-712117


Objective To improve the efficiency of result reporting and ensure the accuracy of the results by establishing autoverification system in Clinical Chemistry and Immunology Laboratory.Methods The study followed the requirements of the Clinical Laboratory Standards Institute(CLSI)AUTO-10A and ISO 15189:2012.In addition,seven categories of verification rules were encoded using the autoverification function of the CentraLink?Data Management System on the Aptio?Automation platform.These rules included Clinical Diagnostic Standard(CS), Sample Status(SS), Quality Control Severity(QS), Instrument Error Flags Severity(IS), Normal Severity(NS), Delta Check Severity(DS), and Logical Assessment Standard(LS).Various modules of Aptio Automation,laboratory information system(LIS)and hospital information system(HIS)were integrated using the CentraLink system to establish the autoverification system.Results The autoverification system was set up and tested from August 2015 to April 2016.In total, the system ran 4 496 425 tests on 366 180 chemistry specimens.The overall autoverification rate for tests performed increased from 53.4% to 87.0%.Glucose had the highest rate (98.3%)while CKMB had the lowest rate(63.6%).Average TAT for result verification decreased by 97.7%,from 46.3 minutes to 3.7 minutes.The system ran 410,040 tests on 160 119 chemiluminescence specimens.The autoverification rate for tests performed increased from 40.2%to 89%.C-P had the highest rate(98.4%)while A-TPO had the lowest rate(58.7%).Average TAT for result verification decreased by 77.4%,from 14.6 minutes to 3.3 minutes.From May 2016 to January 2017(when autoverification was employed),compared with the same period in 2014(when manual verification was employed),the following changes were observed with no increase in staff capacity:a)Volume of routine chemistry tests increased by 46.4%,and median TAT for tests decreased by 41.9%, from 118 minutes to 83 minutes; b)Volume of chemiluminescence tests increased by 24.5%and median median TAT for tests decreased by 52.4%, from 131 minutes to 86 minutes;c)Median TAT for critical values decreased by 50.5%; d)Rates of tests that did not go through autoverification were 88.2% for NS,6.05% for SS, 2.40% for DS,2.00% for LS, 0.97%for IS,and 0.43% for CS; e)Rates of abnormal specimen status identified by Aptio Automation were 7.13‰for jaundice,5.39‰ for blood lipids,2.20‰ for hemolysis,0.17‰ for barcode error, and 0.15‰ for insufficiency;f)Error rate decreased to 0.00%;and g)staff satisfaction increased from 85%to 100%.Conclusion Autoverification of results by using the CentraLink Data Management System can achieve quality control over the entire process of clinical laboratory testing, ensure accuracy of test results, improve work efficiency, decrease TAT, minimize the error rate, avoid skill variation of staff, reduce the pressure of performing manual verification,and improve medical security.