Abstract
Specimen contamination generates unreliable results, leading to potential misdiagnosis and improper treatments. The purpose of this multidisciplinary continuous quality improvement project was to implement an evidence-based diagnostic stewardship program to reduce urine specimen contamination rates. We conducted educational in-service sessions introducing a 3-step preanalytical protocol within the emergency department. Pre- and postintervention chart review was used to evaluate the impact on urine contamination. Urine culture contamination rates were significantly reduced between the pre- and postintervention phases (χ2 = 3.78, P = .05). An evidence-based preanalytical protocol supplemented with an educational intervention reduced the contamination of urine specimens.
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