Laboratory sample turnaround times: do they cause delays in the ED?

Gill, Dipender, Galvin, Sean, Ponsford, Mark, Bruce, David, Reicher, John, Preston, Laura, Bernard, Stephani, Lafferty, Jessica, Robertson, Andrew, Rose-Morris, Anna, Stoneham, Simon, Rieu, Romelie, Pooley, Sophie, Weetch, Alison and McCann, Lloyd 2012. Laboratory sample turnaround times: do they cause delays in the ED? Journal of Evaluation in Clinical Practice 18 (1) , pp. 121-127. 10.1111/j.1365-2753.2010.01545.x

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Abstract

Objectives Blood tests are requested for approximately 50% of patients attending the emergency department (ED). The time taken to obtain the results is perceived as a common reason for delay. The objective of this study was therefore to investigate the turnaround time (TAT) for blood results and whether this affects patient length of stay (LOS) and to identify potential areas for improvement. Methods A time-in-motion study was performed at the ED of the John Radcliffe Hospital (JRH), Oxford, UK. The duration of each of the stages leading up to receipt of 101 biochemistry and haematology results was recorded, along with the corresponding patient's LOS. Results The findings reveal that the mean time for haematology results to become available was 1 hour 6 minutes (95% CI: 29 minutes to 2 hours 13 minutes), while biochemistry samples took 1 hour 42 minutes (95% CI: 1 hour 1 minute to 4 hours 21 minutes), with some positive correlation noted with the patient LOS, but no significant variation between different days or shifts. Conclusions With the fastest 10% of samples being reported within 35 minutes (haematology) and 1 hour 5 minutes (biochemistry) of request, our study showed that delays can be attributable to laboratory TAT. Given the limited ability to further improve laboratory processes, the solutions to improving TAT need to come from a collaborative and integrated approach that includes strategies before samples reach the laboratory and downstream review of results.

Item Type:	Article
Date Type:	Publication
Status:	Published
Schools:	Medicine
Publisher:	Wiley
ISSN:	1356-1294
Date of First Compliant Deposit:	4 August 2021
Last Modified:	28 Sep 2021 14:45
URI:	https://orca.cardiff.ac.uk/id/eprint/143182

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