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FAQ
How long is TokuKit-processed whole blood stable at -80C?
![How long is TokuKit-processed whole blood stable at -80C?](https://teiko.bio/wp-content/uploads/2024/02/240404-Teiko-Whole-Blood-Storage-and-Inter-Run-Precision-1.png)
Teiko has tested stability at -80C up to 12 months, and up to 24 months using accelerated reagent stability, in fixed whole blood samples from two healthy donors. We observed a high concordance in frequencies of immune cell populations (R=1), when compared to samples processed 1 week after freezing.