the invention relates to a microfluidics module for both the immunological and molecular diagnosis of samples , wherein channels and / or cavities having inlets for fluid samples and reagents , as well as inlet - assigned containers , container receiving means or container anchoring points are formed in a main body , and which module has a detection channel , for receiving a test - specific detection medium , that can be connected with channels of the module . a central multi - port valve is essential for the function , and controllably connects individual channels on the module . the channels belong to channel structures which are assigned certain functions and which are all directly or indirectly connected to the multi - port valve , wherein at least sections of the channel structures and channels form circuits , the channels and / or cavities of which circuits are at least partially arranged close to the base surface , in order to permit procedures , controlled by the analysis device , within the test process . the invention also relates to a cartridge for receiving a microfluidics module , a reagent module , and a method for carrying out both immunological and , optionally , molecular tests using the microfluidics module .