A study of preanalytical errors in a hospital based clinical biochemistry laboratory and recommendation of required corrective measures
Journal Title: International Journal of Clinical Biochemistry and Research - Year 2016, Vol 3, Issue 4
Abstract
Background & Objective: The errors associated with the total testing process in laboratory, affecting clinical decision making, may occur at the pre-analytical, analytical and post-analytical phase. This study is aimed at finding out the types and frequencies of errors recorded and recommending the corrective measures in pre analytical phase, which accounts for preventable errorssignificantly. Materials & Methods: This was a retrospective analysis of errors observed and recorded over 3 months period in clinical biochemistry laboratory at SMIMER hospital, Surat. Data analysis was done on an average of 12680 samples collected and tested. Samples included blood, urine and other fluids. Pre-analytical errors were identified and recorded subsequent to visual inspection of the samples and corresponding request forms by laboratory staff. Results: Pre-analytical errors were classified as A) inappropriate form (28.24%), B) inappropriate sample (3.52%), C) inappropriate transport (22.16%) and D) inappropriate centrifugation (7.29%). For category A, high error rate for date and time of sample collection (99.97%), provisional diagnosis (99.92%) and physician’s detail (100%) were observed. For category B, error rate for insufficient sample volume was 26.38%. For category C, error rate for date and time of sample receipt was 100%. Preanalytical error rate was highest for samples received from outpatient department (18.37%) and for urine sample (18.61%) comparatively. Conclusion: Pre-examination errors were high at this study location. Measures aimed at reducing the same and exposure to accreditation are recommended for improved laboratory quality output
Authors and Affiliations
Hasit Dalpatbhai Lad, Neeta Maheshchandra Rana, Vibhuti Sundarbhai Chaudhari, DVSS Ramavataram
Keywords
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