Sample Type:PlasmaIntended Use:CLIA Kit for Antithrombin (AT)Range:5.49-4000ng/mlSpecificity:HumanStorage and Stability:Store powder at 4°C liquid at -20°C. Store other components at 4°C. Stable for at least 6 months For maximum recovery of product,centrifuge the original vial after thawing and prior to removing the cap.