Expires 05-2027. Our CE-marked in vitro diagnostic (IVD) quality control reagents will only be valid until 26 May 2025, 23:59 (GMT). Our expert scientists are currently developing new, alternative high-quality NIBSC Reference Reagents that can be used for performance assessment of laboratory assays.Replaces 17/B718. IFU available in English and Danish only. CE marked for use as an IVD Within the UK, EU member states and EEA countries. In all other territories this product can be used for research purposes only. The majority of these will be made available under new product codes by May 2025.