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Antithrombin III

Alternative Names: A-Th3; AT III Normal Values: The normal range is 0.20-0.45 mg/ml (milligrams per milliliter). What abnormal results mean: Text Continues Below Lower-than-normal AT III may indicate an increased risk of clotting. Examples of disorders and/or conditions associated with increased blood clotting include: deep venous thrombosis pulmonary embolus (blood clot traveling to lung) phlebitis (vein inflammation) Other conditions that can be related to lower-than-normal AT III include: DIC (disseminated intravascular coagulation) other coagulation disorders liver disorders nephrotic syndrome Higher-than-normal AT III may indicate: use of anabolic steroids

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