- TM FSH Elisa Test is the enzyme-linked immunoassay (ELISA)in vitro quantitative determination of the follicle-sTM FSH Elisa Test is the enzyme-linked immunoassay (ELISA)in vitro quantitative determination of the follicle-stimulating hormone in human serum. · compatible with all common ELISA reader · Specimen : Serum or plasma · Sensitivity :99.5% · Specificity : 99.5% 12 months at 2-8℃