Pre-Analytical errors in hematology
European Journal of Molecular & Clinical Medicine,
2022, Volume 9, Issue 7, Pages 6538-6557
Abstract
Background: Laboratory reports play major role in patient management. So, more importance should be given to the quality of laboratory reports. Hematology laboratory must ensure reliable test results with high degree of precision and accuracy. Even after so many advances, pre-analytical errors remain a challenge for hematology laboratory.Aims And Objectives: The present study was undertaken with an objective to identify the major reasons of sample rejection in the pre-analytical phase and to do a root-cause-analysis of that reasons in order to improve the quality of laboratory services and proper patient care.
Material And Methods: All the samples received in the hematology laboratory of tertiary care teaching hospital, Ahmedabad during the period from January 2014 to August 2015 were included in the study. These samples are analyzed for pre-analytical errors such as clotted samples, hemolyzed samples, improper quantity of the samples, inadequate information in the requisition form, mismatch in test requested and sample collected, mismatch in sample label and information in requisition form.
Results: Out of 123228 samples, pre-analytical errors, as per above mentioned categories, were found in 5381(4.37%) samples. The most common pre-analytical error was clotted samples in 4173 (77.55%) samples, followed by Mismatch samples in 437 (8.12%) samples, Improper quantity in 405 (7.53%) samples, hemolyzed samples in 324 (6.02%) samples and inadequate information on requisition form in 07 (0.13%) samples.
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