Bio-Rad Laboratories’ Liquichek Serum Indices is used to monitor an instrument’s ability to detect interferences from hemolyzed, icteric, and lipemic (HIL) samples. Liquid human serum based, the four-level kit comprises hemolysis, icterus, lipemia, and non-interfered indices. The kit includes one 4 mL fill size per level along with unity peer group comparisons, and maintains a 14-day open-vial stability at 2°C to 8°C, a 30-day unopened stability at 2°C to 8°C, and a 3-year shelf life at -20°C to -70°C.