Tosoh’s AIA-PACK test cups are single, unitized cups that use a dry reagent format that ensures calibration stability of up to 90 days. Tosoh’s AIA-PACK test cup format works with every Tosoh automated immunoassay system allowing for a seamless transition from one system to the other, ensuring consistent results in an efficient and economical process. Tosoh’s test menu of immunoassays use a proprietary method that is free from biotin interference. Tosoh IVF Markers include FSH, E2, LH, PROG III, bHCG and TES.