We have compared the operational, medical, and fiscal consequences of performing urgent glucose testing at the bedside vs in the central laboratory. The turnaround time (TAT) with bedside testing was only 1-2 min shorter than that from the central laboratory, to which specimens are sent by pneumatic tube and from which results are automatically broadcast by computer to the originating site. No significant adverse medical outcomes were associated with this difference in TAT. The cost of bedside testing is approximately twice that of central laboratory testing.
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