Abstract: Process for management of batches of haematopoietic-system components belonging to human subjects from whom these batches have been collected for deferred use. Each batch of haematopoietic-system components associated with a subject is packed and stored in a cryogenic storage site among a plurality of cryogenic storage sites (SA, . . . SL) and then transferred on request from this storage site to a cell treatment center for re-use on said subject or on said subject's parent. A gathering of both personal data relating to the subject from whom the batch was collected and of data relating to the collection is associated with each collection phase (I).