D-Dimer Test: Everything You Need to Know

What is the D-Dimer Test?

The D-dimer test is a blood test suggested by the doctor to determine the amount of D-dimer protein in the body that is usually produced to break down blood clots. When D-dimer levels are very low in the body, they can go undetected and can only be identified if the human body forms and breaks down a significant amount of blood clots. D-dimer testing is part of diagnosing or monitoring blood clotting problems.

The human body forms a blood clot when any blood vessel is damaged due to injury, restricted blood flow, or atherosclerosis.

Why a Person Needs a D-Dimer Test?


A D-dimer test is recommended for a person when the doctor wants to know if the patient has blood clotting problems. Some of the blood clotting problems that may exist in a person are:

  • Deep vein thrombosis

  • Pulmonary embolism

  • Blood Coagulation

  • Disseminated intravascular coagulation

The D-dimer test is also recommended by the medical practitioner as part of ongoing treatment.

How is D-Dimer Test Performed?


Usually, there is no special preparation needed for the d-dimer test. When the doctor suggests a person undergo a d-dimer test, they should book this medical test in a good medical laboratory. Nowadays, some of the best medical labs provide at-home blood sample collection. One can book a d-dimer test at affordable prices online from a well-known laboratory. They send their phlebotomist, who draws blood from the person’s vein, collects it in a sterilized bottle, and takes it for testing in the lab. The test is performed by lab professionals.

Analysing D-Dimer Test


The D-dimer test tells whether a person has any type of blood clotting disorder or not. If the d-dimer test report shows a higher value than the normal range, then it signifies that the person may have an underlying blood clotting problem. However, the test report does not specify the location of the blood clot or the type of blood clotting. It is best to consult the doctor to understand the test report. They may recommend additional tests based on the diagnosis. 

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