Reduction in Blood Culture Contamination Through Use of Initial Specimen Diversion Device

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Rupp ME, Cavalieri RJ, Marolf C, Lyden E.
Clin Infect Dis. 2017 Jul 15;65(2):201-205.
University of Nebraska Medical Center, Omaha, NE

  • Study data was limited to only those blood cultures collected with the device. It does not reflect the impact on the overall blood culture contamination rate.
  • False positives increase laboratory costs by approximately 20%, are associated with a nearly 40% increase in antibiotic charges and can extend the length of hospital stay by up to 5 days.
  • False positive blood culture rate decreased from 1.78% to 0.22% with use of an Initial Specimen Diversion Device (ISDD).

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