Liquichek Lipids Control is a human serum based product that provides the laboratory with two distinct analyte levels for lipids analysis. It now contains C-Reactive Protein in levels optimized for high-sensitivity C-Reactive Protein (hs-CRP) assays. Liquid, human serum based. 3 year shelf life at -10 to -20C. 14 day open-vial stability at 28C. Assayed for hs-CRP methods. Assayed for direct HDL and LDL methods.