What is a good D-dimer score?

A normal D-dimer is considered less than 0.50. A positive D-dimer is 0.50 or greater. Since this is a screening test, a positive D-Dimer is a positive screen. [4][5][6][7] There is not necessarily a critical level for a D-dimer.

What level should D-dimer be?

220 to 500 ng/mL
The reference range can vary from laboratory to laboratory, but in general, a normal D-dimer range is 220 to 500 ng/mL. 16 If your results come back normal or low, then it is unlikely you have a blood clot. High or abnormal results suggest you may have a blood clot, but it does not definitively mean a clot is present.

What is high level of D-dimer?

What does a high D-dimer test result mean? If your results reveal that you have higher-than-normal levels of D-dimer in your blood, it may mean that you have a blood clotting condition. A D-dimer test can’t determine the type of blood clotting condition you may have or where the blood clot(s) is in your body.

What is D-dimer normal range units?

220-500 ng/mL
D-dimer values < or =500 ng/mL fibrinogen-equivalent units (FEU) are normal. Within the reportable normal range (220-500 ng/mL FEU), measured values may reflect the activation state of the procoagulant and fibrinolytic systems, but the clinical utility of such quantitation is not established.

IS 100 D-dimer normal?

D-dimer levels were divided into three groups: group 1= D-dimer >200 ng/mL, group 2= 100–200 ng/mL and group 3= <100 ng/mL. In our laboratory, values of D-dimer above 200 ng/mL are considered abnormal.

How do I lower my D-dimer?

Statins have proven antithrombotic properties, as suggested by the reduction of several prothrombotic markers, including D-dimer, in patients at high risk of arterial thrombosis.

Does aspirin reduce D-dimer?

Introduction of ultra-low-dose warfarin (1 mg) or aspirin 300 mg does not significantly alter these markers, although conventional warfarin therapy reduces beta-TG and fibrin D-dimer levels.

IS 900 D-dimer high?

Our analysis showed that it may be safe and cost effective to use a D-dimer value of 900 ng/ml rather than the value of 500 ng/ml accepted today, with sensitivity of 94.4%. In younger patients [under 40 years] the sensitivity reached was even higher—100%.

How reliable is a D-dimer blood test?

He says medical info indicates d dimer tests are 95% accurate and did not suggest a lung scan unless the condition returned, As one might imagine, I am a little paranoid after my previous experience and the fact if I am in the other 5% it could be life threatening.

What would cause high D-dimer in blood tests?

Things associated with high D-dimer levels include: 1  Being over 60 years of age Cigarette smoking Race (Black people tend to have higher D-dimer levels) Functional immobility Pregnancy Recent surgery Atrial fibrillation Acute coronary syndrome Stroke GI hemorrhage

Why is a positive D-dimer is not always a blood clot?

Why a Positive D-Dimer Is Not Always a Blood Clot. A blood clot causes a breakdown product called D-dimer . A negative blood result means you don’t have a pulmonary embolism. But with increasing age comes an increased likelihood of a positive result, even if there are no blood clots.

What causes elevated D dimer levels?

For example, it may be due to a venous thromboembolism (VTE) or disseminated intravascular coagulation (DIC). Typically, the D-dimer level is very elevated in DIC. However, an elevated D-dimer does not always indicate the presence of a clot because a number of other factors can cause an increased level.