• D C Seaberg and B A MacLeod.
• Division of Emergency Medicine, University of Florida Health Science Center, Jacksonville 32209, USA.
• Am J Emerg Med. 1998 Jan 1;16(1):8-11.

AbstractTriage nurse ordering of tests can reduce patient time in the emergency department. This benefit must be balanced with the extra expense and potential morbidity of unnecessary tests. This study examined whether triage nurse ordering of lab tests and X-rays correlated with physician ordering. In Phase I, a prospective study, triage nurses completed an order form for each patient triaged during randomly selected 2-hour blocks over a 3-week period. In Phase II, Phase I was repeated with test ordering guidelines derived from Phase I results. Correlations of nurse and physician orders were analyzed by kappa statistics and paired t tests. In Phase I, 176 patients were enrolled of a possible 204 (82%). In Phase II, 350 patients were enrolled of a possible 418 (84%). The percentage of nurse overordering of tests in Phase I was 35%; In Phase II, it was 34% (P NS). Kappa values were determined for blood testing (Phase I, 0.48; Phase II, 0.54 [P = .048]), for X-ray (Phase I, 0.68; Phase II, 0.65 [P = .523]), for urinalysis (Phase I, 0.76; Phase II, 0.67 [P = .338]), and for electrocardiogram (Phase I, 0.78; Phase II, 0.77 [P = .438]). The improved lab correlation in Phase II resulted from the nurses ordering fewer tests (P = .046). Nurses deviated from the test ordering guidelines in 37% of patients. Triage nurse ordering of X-rays, electrocardiogram, and urinalysis has moderate to substantial correlation with physician ordering. Correlation of triage nurse and physician ordering of tests can be improved with the use of test ordering guidelines.

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