The HemoCue® Hb 301 system is designed for the quantitative determination of hemoglobin levels in whole blood at the patient's bedside during emergency care or in blood service institutions, using the specially designed HemoCue Hb 301 Analyzer and the specially developed HemoCue Hb 301 Microcuvettes. The HemoCue Hb 301 system is intended for In Vitro diagnostic use only. The HemoCue Hb 301 Analyzer should be used only with HemoCue Hb 301 Microcuvettes.