Bio-Rad Laboratories launches its Specialty Immunoassay Plus (SPIA Plus), a consolidated, liquid specialty IA control. As a four-level, comprehensive, independent specialty immunoassay quality control, it is designed to monitor the precision of laboratory specialty IA testing procedures. The product is available in bar coded, load-and-go InteliQ and standard vial Liquichek configurations and features high-demand, clinically relevant analytes such as procalcitonin, IL-6, active vitamin B12, TRAb, TSI, fructosamine, and more. It also contains optimized vitamin D ranges to support vitamin D standardization program (VDSP) compliant assays and improved intact PTH open-vial stability to minimize QC waste.