D-dimer (Plasma) - Mass Concentration

What Is D-Dimer Used For?

D-dimer is primarily used to evaluate whether you have a blood clot or are at risk of developing one. It can help guide decisions about further testing or treatment, especially in cases where you may have symptoms like leg swelling, chest pain, or shortness of breath that could suggest a clot.

When Might You Need This Test?

Your doctor may order a D-dimer test if you have symptoms of blood clots, such as unexplained leg swelling, pain, or redness, and if other tests are needed to confirm or rule out conditions like deep vein thrombosis (DVT) or pulmonary embolism (PE). It may also be used in certain diagnostic workups for unexplained bleeding or after a suspected clot event.

How Is the Test Performed?

A small blood sample is drawn from a vein, usually in your arm. The blood is then processed to measure the D-dimer levels in your plasma. This test is typically done in a laboratory using a sensitive detection method.

What Do Results Mean?

Results can vary based on your health and medical history. A high level of D-dimer often suggests recent clot formation or dissolution, while a low level may indicate no active clotting process. Your doctor will interpret the results in the context of your symptoms and other tests.