Effect of Pre-Analytical Errors on Quality of Laboratory Medicine at a Neuropsychiatry Institute in North India |
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Authors: | Neelam Chhillar Sarbjeet Khurana Rachna Agarwal Neeraj Kumar Singh |
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Institution: | (1) Department of Neurochemistry, Institute of Human Behaviour and Allied Sciences, Dilshad Garden, Delhi, 110095, India;(2) Department of Epidemiology, Institute of Human Behaviour and Allied Sciences, Dilshad Garden, Delhi, 110095, India;(3) B-06, Type V Qtrs, DRDO Township, Timarpur, Delhi, 110054, India |
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Abstract: | Advances in instrument technology and automation have simplified tasks in laboratory diagnostics reducing errors during analysis
thereby improving the quality of test results. However studies show that most laboratory errors occur in the pre-analytical
phase. In view of the paucity of studies examining pre-analytical errors, we examined a total of 1513 request forms received
at our laboratory during a 3 month period. The forms were scrutinized for the presence of specific parameters to assess the
pre-analytical errors affecting the laboratory results. No diagnosis was provided on 61.20% of forms. Type of specimen was
not mentioned in 61.60% of the forms and 89.25% of all forms were illegible. Critical results were encountered in 17.30% of
patients, and of these 76.60% were not communicated due to incomplete forms. Thus, by following standard operating procedures
vigorously from patient preparation to sample processing the laboratory results can be significantly improved without any
extra cost. |
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Keywords: | Pre-analytical errors Automation Critical result Quality control |
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