New data from stability tests can not confirm Chromsystems instruments & Chemicals GmbH previous information regarding the storage life of calibrator 92051/XT and controls 0253/XT, 0254/XT after reconstitution at storage temperatures of +20 to +25 °c and +2 to +8 °c provided in the instructions for use and on the package inserts. In addition, adsorption effects may occur if the reconstituted products are stored in glass containers. Recall start date: February 5, 2025