Antithrombin – what the laboratory value means

What is antithrombin? Antithrombin is a protein produced in the liver and is also called antithrombin III or antithrombin 3 (AT III for short). It plays an important role in hemostasis. While it has little effect on primary hemostasis, it can effectively inhibit secondary hemostasis (blood clotting): Antithrombin ensures the degradation of thrombin (Factor IIa) … Antithrombin – what the laboratory value means