The 5-Hour Sepsis Test: No Cultures Required - Takeaways - MDSpire

The 5-Hour Sepsis Test: No Cultures Required

Rapid culture-free test results are consistent with the gold standard for sepsis detection

  • By

  • Helen Bristow

  • February 4, 2026

  • 8 min

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  • 1

    The culture-free blood test detected nearly three times more bloodstream infections than conventional blood cultures.

  • 2

    The assay provides organism identification within hours, significantly reducing the turnaround time compared to traditional methods.

  • 3

    Sensitivity of the culture-free assay was close to 95%, with a negative predictive value near 98% in ICU patients.

  • 4

    The test targets intact bacterial cells, improving detection in low-biomass samples compared to free DNA methods.

  • 5

    Earlier microbiological results can guide timely antibiotic therapy adjustments, enhancing patient outcomes in sepsis care.

Original Source(s)

The 5-Hour Sepsis Test: No Cultures Required

  • by Helen Bristow

  • February 4, 2026

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