How long can cord blood be stored is toward the top of our list of frequently asked cord blood questions. As parents want to make sure they are investing in a product with a long shelf life, it is an understandable question to have. As cord blood banking is 27 years young, data on the use of cord blood in transfusions are limited, but from what research has shown, the length of cryo-preservation has no affect on the quality and viability of cord blood collections.