Medical laboratory apparatus and instruments for the analysis of biological samples and bodily fluids, for medical diagnostic use and their replacement parts and fittings therefor and downloadable and recorded operating system software sold as a unit therewith; clinical medical laboratory analyzers for the analysis of biological samples and bodily fluids, for medical diagnostic purposes; apparatus and instruments for medical diagnostic use, namely, laboratory analyzers for the analysis of biological samples and bodily fluids; medical laboratory instrument for the analysis of biological samples and bodily fluids, for medical diagnostic purposes; medical diagnostic laboratory analyzers for the analysis of biological samples and bodily fluids, for medical purposes with computer hardware and downloadable and recorded computer operating system software for use therewith, sold as a unit; medical laboratory instruments for use in automated microbial identification and susceptibility testing, for medical diagnostic purposes; medical laboratory urine analyzers, for medical diagnostic purposes; chemistry analyzers, for medical diagnostic purposes, namely, medical laboratory devices used to calculate the concentration of certain substances within samples of bodily fluids; protein chemistry analyzers, for medical diagnostic purposes, namely, medical laboratory devices used to calculate the concentration of protein within samples of bodily fluid; immunoassay apparatus and instruments, namely, medical laboratory immunoassay analyzers for identifying and detecting the concentration of specific substances in a sample, for medical diagnostic purposes; medical laboratory hematology analyzers, for medical diagnostic purposes; medical laboratory automated blood banking analyzers; medical laboratory automated sample handling and testing equipment for medical diagnostic use; medical laboratory sample preparation device, for medical diagnostic uses