This assembly includes: a transportable support a strip attached to the support and including an application area for applying the sample and at least one reagent required for the analysis a piercing member for piercing the skin and a blood vessel and a container for collecting, storing and returning the sample of human or animal blood. The piercing member is inserted into the container. The tip is connected to the support. The container is connected to the support in a removable manner between a storage configuration and a use configuration, in which the container is placed close to the application area.
