Preserving pre-analytical variables.

Cell-Free DNA Urine Preserve

Urine Preservative

A liquid reagent that stabilizes cell-free DNA in urine specimens.


  • Reduces the need for immediate sample extraction
  • Allows for convenient sample collection, transport and storage
  • Available in single-use plastic ampules
  • Blue PCR compatible dye provides visual reassurance that reagent was added


  • Ensures sample integrity for up to 7 days at 6 °C to 37 °

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Standing Order Schedule

Schedule I: 13 shipments (a shipment every 28 days)
Schedule II: 7 shipments (a shipment every 56 days)
Schedule III: 5 shipments (a shipment every 84 days)
Schedule VI: 3 shipments (a shipment every 168 days)

Use the drop-down menu to select your product. If you don’t find your product listed, call Customer Service at 800-228-6090.

Note: Standing orders are shipped during the week of the release date.