IFU available in English only. Expires 12/2027. 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.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.The majority of these will be made available under new product codes by May 2025.