This versatile kit does not require assigned values; instead equal spacing of the levels enable linearity measurement without the need to refer to particular values for a specific platform. 510(k) pre-market release approval has been obtained from the FDA The HbA1c (glycated hemoglobin) linearity kit is a 5 level lyophilized product with a vial of reconstitution fluid. Equal spaced levels allow results to be simply plotted on the enclosed insert chart to verify the linearity of the assay within the range of 4% to 18% (NGSP aligned). Kits can be obtained from: Canterbury Scientific Ltd via canterburyscientific.com Or for USA enquiries: Bio-MRQT Specialists PO Box 851881, Richardson, TX 75085-1881 USA. Phone 214-693-3036. Fax 972-644-9618.