An IVD medical device intended to be used for any of the following purposes isclassified as a Class 4 IVD medical device or a Class 4 in-house IVD medicaldevice:(a) to detect the presence of, or exposure to, transmissible agents in blood,blood components, blood products, cells, tissues or organs or anyderivatives of these products of human or animal origin, in order to assesstheir suitability for transfusion or transplantation;(b) to detect the presence of, or exposure to, a transmissible agent that causes aserious disease with a high risk of propagation in Australia.