of a reader assembly 130 in accordance with an embodiment of the present invention fig6 is a simplified illustration of a disposable cartridge 6050 for rapid determination of a medical condition in accordance with an embodiment of the present invention disposable cartridge 6050 is adapted to receive a bodily fluid such as but not limited to blood urine serum or plasma the disposable cartridge is constructed and configured to have several different sections 6052 6054 6056 and 6058 section 6052 is a body fluid aspiration section which is adapted to receive the body fluid directly or indirectly from the patient or animal and this section acts as a reservoir of the body fluid disposable cartridge 6050 comprises fluid conveying means between the sections such as but not limited to air pressure liquid pressure mechanical means and combinations thereof body fluid aspiration section 6052 is adapted to convey a predetermined quantity of the body fluid a body fluid sample 6051 to a pre analytical sample processing section 6054 in pre analytical sample processing section 6054 at least one preparatory step is performed on the body fluid such as but not limited to a incubation with at least one antibody b incubation with at least one antigen c staining of at least one cell type in the body fluid d enzymatic lysing of at least.