Cobas b 123 POC system || cobas b 123 POC system is fully automated POC system for whole blood in vitro measurement of pH, blood gases (BG), electrolytes Na+ K+, iCa2+ (ISE), hematocrit (Hct), metabolites (Gluc, Lac), total hemoglobin (tHb), hemoglobin derivatives (O2Hb, HHB, COHB, MetHb), and oxygen saturation (SO2). In addition, the cobas b 123 POC system calculates derived parameters. It is dedicated for use in a Point-of-Care environment and laboratory.