EVALUATION OF PREANALYTICAL ERRORS IN CLINICAL BIOCHEMISTRY LABORATORY IN A TERTIARY CARE HOSPITAL IN KOLKATA
Journal Title: Journal of Evolution of Medical and Dental Sciences - Year 2018, Vol 7, Issue 9
Abstract
BACKGROUND Accurate laboratory results are vital for patients’ safety. Errors in laboratory may occur in the pre-analytical, analytical and post analytical phase. In the present study, we tried to identify the types of the pre-analytical errors in clinical biochemistry laboratory in a tertiary care hospital in Kolkata by retrospective analysis. MATERIALS AND METHODS This study is a retrospective descriptive study. 164, 946 test requests were received, different types of errors were registered by the laboratory personnel. Percentage of occurrence of errors, defects per million (DPM) and Sigma value of each error were calculated. RESULTS 99.97 % of the requisitions missed clinical information. 7.7%, 7% and 6.2% (sigma metric 3, 3 and 3.1) samples were without proper mention of sample collection dates, sex and age of the patient respectively. Among errors in the sample, percentage of haemolysed samples were the highest (5.2% with sigma metric 3.2) followed by insufficient sample quantity (1.6% with sigma metric 3.7) and clotted sample (1.5% with sigma metric 3.7). CONCLUSION Proper awareness in preanalytical procedure is need of the hour. Training of personnel responsible for preparation of patient, collection of biological sample and transportation of samples should be done with utmost care, so that pre-analytical error can be minimized
Authors and Affiliations
Sayari Banerjee, Roy Choudhury J, Indranil Chakraborty
Keywords
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- EP ID EP411195
- DOI 10.14260/jemds/2018/254
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