D-Dimer Test For Abnormal Blood Clots in Body

D-Dimer Test For Abnormal Blood Clots in Body

The D-Dimer test is a blood test that helps detect the presence of abnormal blood clots in the body. It is often used in medical settings to diagnose conditions like deep vein thrombosis (DVT) and pulmonary embolism (PE).


D-Dimer Test

Here are the basic details of the D-Dimer Test.

Also Known As Fibrin Degradation Product Test
Type Blood Test
Purpose Detect Blood Clots
Sample Type Plasma
Preparation No
Fasting No
Gender Unisex
Age Group All
Normal Value < 243 mg/mL DDU
Reporting Time 1-2 Days
Cost 1000-2000 INR*

*Price range may vary as per location, lab type, and procedure of lab test.


D-Dimer Test Means

D-Dimer test is a blood test used to detect the presence of abnormal blood clots in the body.

  • It is a valuable tool in diagnosing conditions such as deep vein thrombosis (DVT) and pulmonary embolism (PE), which are serious and potentially life-threatening.
  • This test helps healthcare professionals rule out or confirm the likelihood of a blood clot when a patient presents with symptoms like leg swelling, chest pain, or difficulty breathing.
  • D-Dimer testing is non-invasive and quick, providing timely information for appropriate medical interventions.
  • By aiding in the early diagnosis of blood clot-related conditions, the D-Dimer test plays a crucial role in preventing complications and improving patient outcomes.


D-Dimer Test Purpose

The purpose of the D-Dimer Test is to:

  • Detects abnormal blood clots.
  • Rules out blood clotting.
  • Evaluates clotting disorders.
  • Assesses thrombosis risk.
  • Diagnoses PE and DVT.

D-Dimer Test  Price, Normal Range, Result, Purpose, Meaning and Interpretation - Drlogy Test


D-Dimer Test Preparation

Here is the basic preparation for the D-Dimer Test.


Before Test

  • Inform your healthcare provider of any medications or supplements you're taking.
  • Wear clothing with easy access to your arm, as a blood sample will be drawn.


During Test

  • You will be asked to remain still.
  • A healthcare professional will draw a blood sample from your arm using a needle.


After Test

  • You can resume your normal activities immediately.
  • You may experience slight bruising or discomfort at the needle site, which should resolve quickly.
  • Await your test results, which will be communicated to you by your healthcare provider.


D-Dimer Test Procedure

Here is the basic D-Dimer Test Procedure.

  • Patient's arm is cleaned with antiseptic.
  • A needle is used to draw a blood sample.
  • The sample is sent to the lab.
  • Lab technician assesses D-Dimer levels.
  • Results are reported to the healthcare provider.


D-Dimer Test Result

  • High D-Dimer: May indicate possible blood clot risk.
  • Low D-Dimer: Suggests a lower clot risk.
  • Consult a healthcare provider for interpretation.


D-Dimer Test Report

D Dimer Test Report Format Example Sample Template - Drlogy Lab Report

D-Dimer Test Report PDF


D-Dimer Test Normal Report

D Dimer Normal Test Report Format Example Sample Template - Drlogy Pathology Lab Report Format

D-Dimer Normal Test Report PDF Format

D-Dimer Test Normal Result Report PDF


D-Dimer Test Abnormal Report

D Dimer Abnormal Test Report Format Example Sample Template - Drlogy Pathology Lab Report Format

D-Dimer Abnormal Test Report PDF Format

D-Dimer Test Abnormal Result Report PDF


D-Dimer Test Normal Range

Here is the normal reference range for D-Dimer Test. It can vary slightly depending on the laboratory and measurement units used.

D-Dimer Test Level Normal Range
Adult < 243 mg/mL DDU


D-Dimer Test Interpretation

Here is the Interpretation of the D-Dimer Test.

D-Dimer Test Result Interpretation
< 243 mg/mL DDU Normal
> 243 mg/mL DDU Further evaluation may be needed

Elevated D-Dimer levels may suggest the presence of abnormal blood clots, but it's essential to consult a healthcare provider for a proper evaluation and diagnosis.


D-Dimer Test High Levels

Here are some possible causes of high D-Dimer levels:

Possible Causes Effect
Blood Clots Potential risk of deep vein thrombosis (DVT) or pulmonary embolism (PE).
Recent Surgery or Trauma Normal response to surgery or injury.
Infection Possible presence of inflammation or infection in the body.
Autoimmune Disorders Such as systemic lupus erythematosus (SLE).
Certain Cancers Such as pancreatic cancer or lymphoma.

High D-Dimer levels can indicate various conditions, and further evaluation is necessary to determine the underlying cause and appropriate treatment.


D-Dimer Test Low Levels

Here are some possible causes of low D-Dimer levels:

Possible Causes Effect
Normal Blood Clotting Suggests a lower risk of abnormal blood clots.
Absence of Clot Formation No recent clotting events or injuries.
Absence of Inflammation No significant ongoing inflammation in the body.
Medications Certain medications, like anticoagulants, may lower D-Dimer levels.
Genetic Factors Some individuals naturally have lower D-Dimer levels.

Low D-Dimer levels typically indicate a reduced risk of abnormal blood clot formation, but the interpretation may vary depending on the individual's medical history and context.


Specimen Requirements For D-Dimer Test

Here are the specimen requirements for the D-Dimer Test.


Plasma, frozen


1 ml


Blue-top (sodium citrate) tube.


Blood should be collected in a blue-top tube containing 3.2% buffered sodium citrate.



Sample Stability



Room temperature





4 Weeks

Freeze/thaw cycles

Stable x1

Causes for Rejection

Gross hemolysis; clotted specimen; specimen thawed in transit; improper labeling.


D-Dimer Test is Safe?

D-Dimer test is generally safe.

  • It involves a routine blood draw.
  • Minimal risk of complications or side effects.


When Do You Get D-Dimer Test Results? 

  • D-Dimer test results typically available within 1-2 days.
  • Exact reporting time varies by the testing facility.


D-Dimer Test Limitation

Here is the basic limitation of D-Dimer Test.

  • High D-Dimer levels are not specific to a particular condition.
  • Elevated D-Dimer can occur in various non-clinical situations.
  • Further testing is required to confirm the cause of elevated levels.


D-Dimer Test Risk Factors

Here are some of the risk factors of the D-Dimer Test.

  • D-Dimer levels can be influenced by age, with higher levels often seen in older individuals.
  • Certain medical conditions like cancer and pregnancy may elevate D-Dimer.
  • Recent surgery or trauma can temporarily increase D-Dimer levels.


Doctor Recommendations After D-Dimer Test Result

 Here are the Doctor's recommendations or consult a specialist after the D-Dimer Test.

D-Dimer Result Doctor to Visit Reason
High Hematologist Possible blood clot concerns.
Normal General Physician Routine health assessment.
Low General Physician Routine health assessment.

Please note that the interpretation of D-Dimer test results should be done in consultation with a healthcare provider, who may refer you to a specialist if needed, based on your specific health condition and context.


D-Dimer Test

Here are the estimated D-Dimer Tests in India with different top cities:


Price Range (INR)*



New Delhi


























*Prices are approximate and vary depending on a specific laboratory or healthcare facility.



Overall, D-Dimer test assists in evaluating the risk of blood clots and thrombotic disorders by measuring the presence of D-Dimer fragments in the blood, aiding in timely diagnosis and treatment. Also check Drlogy Test for detailed information about all medical tests for patients, doctors, scholers and medical students.



  • D-Dimer Test - Wikipedia [1].
  • D-Dimer Test - NIH [2].


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D-Dimer Test FAQ

What does a high D-dimer mean?

A high D-dimer level indicates increased blood clot formation and breakdown. It is a marker of fibrinolysis and can be associated with conditions like deep vein thrombosis, pulmonary embolism, or disseminated intravascular coagulation.

Is high D-dimer serious?

A high D-dimer level can be serious, indicating potential clotting issues. However, it is a marker rather than a diagnosis. Interpretation requires consideration of clinical symptoms and other diagnostic tests to determine the underlying cause.

What is D-dimer normal use?

The D-dimer test is commonly used to rule out conditions like deep vein thrombosis or pulmonary embolism. It aids in assessing the likelihood of a blood clot, especially in emergency or critical care settings.

Does a high D-dimer affect the heart?

While D-dimer elevation is not directly linked to heart issues, it may indirectly reflect vascular problems. High levels can result from conditions affecting blood vessels, potentially contributing to cardiovascular complications.

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