A D-dimer test is a lab test that helps diagnose blood clotting conditions. The test measures the levels of a protein fragment that remains in your blood after multiple blood clots break down. A high ...

A D-dimer test measures how much D-dimer protein is in the blood. This protein is present when blood clots break down. A typical range is 0-0.50 milligrams per liter (mg/L) of blood. D-dimer is a ...

Although D-dimer results within a typical range can rule out pulmonary embolism, high results alone can’t diagnose this condition. Doctors usually need to run extra tests to make a diagnosis. A ...

Several diagnostic strategies using ultrasound imaging, measurement of D-dimer, and assessment of clinical probability of disease have proved safe in patients with suspected deep-vein thrombosis, but ...

A D-dimer test checks for certain proteins in the blood to rule out certain clotting disorders. (Photo credit: Science Photo Library/Getty Images) A D-dimer test is a blood test that can be used to ...