Abstract
Introduction: In present medical scenario diagnosis of various diseases largely depends on investigations performed at hospital laboratory and with the advancement of technology error rates in analytical phase reduced drastically but still preanalytical errors in laboratories are very common and play a very important role in patient care and treatment. Objectives: To identify the nature and frequency of pre-analytical factors responsible for sample rejection. Methodology: The study was conducted in Clinical Biochemistry laboratory of Department of Biochemistry, over a period of 6 months from October 2018- March 2019 on total 33,303 samples which include OPD samples (n=20040 ), IPD samples (n= 11488) and Emergency samples (n=1775) and in these samples different preanalytical variables were categorized separately. Results and Conclusion: Out of 33303 samples analysed over a period of 6 months preanalytical errors were seen in 1.38% (n=461) samples, with the commonest error was incomplete requisition forms followed by hemolysis of sample.
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