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What is a D-Dimer Quantitative?

D-Dimer Quantitative is a blood test that measures the level of D-dimer, a protein fragment produced when blood clots are formed and subsequently broken down in the body. The test is primarily needed to help assess the possibility of abnormal blood clot formation, such as deep vein thrombosis (DVT) or pulmonary embolism (PE). It is often interpreted along with symptoms, clinical assessment, and other investigations.

Additional Information

Also known as/ Other names: D-Dimer Test, Quantitative D-Dimer Assay, Plasma D-Dimer, Fibrin Degradation Products (FDP) Test, D-Dimer ELISA
Parameters: 1
Recommended for: M/F/Others
Sample Type: Blood
Patient Preparation: No prior preparation is needed
Reports: Same Day

FAQs

What does D-dimer indicate?

D-dimer is a marker of clot formation and breakdown. An increased level suggests that clotting and fibrinolysis are occurring somewhere in the body, but it does not identify the location or cause.

What does a normal D-dimer result mean?

In people with an appropriate clinical assessment and low or moderate probability of a blood clot, a normal result can help make conditions such as DVT or PE less likely.

What does a high D-dimer result mean?

An elevated D-dimer may occur with blood clots but can also result from infection, inflammation, recent surgery, injury, pregnancy, or other conditions. It does not by itself confirm a clot.

Can D-dimer diagnose a blood clot?

No. D-dimer is not specific enough to diagnose a clot on its own. Imaging tests and clinical assessment may be needed to confirm or exclude a clot.

What is deep vein thrombosis (DVT)?

DVT is a blood clot that usually develops in a deep vein, commonly in the leg. It may cause swelling, pain, warmth, or tenderness in the affected area.

What is a pulmonary embolism (PE)?

PE occurs when a blood clot, often originating in a deep vein, travels to the lungs and blocks a blood vessel. It can cause sudden breathlessness, chest pain, or rapid heartbeat.

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