🩺 Affordable Private Healthcare

D-Dimer

Price
£95

Turnaround

12 hours

Appointment

50 minutes

D-Dimer Test Tube

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Care Quality Commission
Primary Care & Diagnostics Finalist Award

pound iconPrice: £95

Turnaround: 12 hours

Appointment: 50 minutes

The Purpose Of Getting A D-Dimer Test

D-Dimer is a very important protein present in your blood. It helps indicate the presence of blood clots (which can be life-threatening) and helps determine if you have a blood clotting disorder (like deep vein thrombosis, pulmonary embolism, or disseminated intravascular coagulation).

Therefore, a dimer blood test is crucial to measure the D-dimer level in your blood and check for any current blood clotting problems.

Signs You Need A D-Dimer Test

If you are currently experiencing pain or swelling in your legs, a sudden shortness of breath or chest pain, or unusual bleeding or bruising, we would strongly recommend you get a D-dimer blood test.

We would also recommend you consider getting a D-dimer test if you are at higher risk of clotting due to conditions like recent surgery, immobility, pregnancy, or have a family history of clotting disorders.

How To Read Your D-Dimer Results

D-dimer tests are designed to measure the level of the D-dimer protein in your blood. A normal D-dimer level is usually considered to be less than 500 nanograms per milliliter (ng/mL).

If you are taking blood thinners, your “normal” results may be a false negative. This is important to keep in mind. A positive D-dimer result, however, is usually determined by a level of 0.50 mg/L or higher.

Woman doctor smiling
Woman doctor taking notes

Why Get A D-Dimer Test At All?

A D-dimer blood blood test generally provides quick and accurate results. At Walk-In-Clinic, our healthcare professionals also help guide you through your results and recommend any necessary follow-up treatments.

We offer convenient appointments and flexible booking time slots to suit your schedule, and should additional diagnostic steps or treatments be needed, our team will support you at every stage.

Remember, a D-dimer test can help spot blood clotting disorders like, deep vein thrombosis (DVT, Pulmonary embolism (PE), Disseminated intravascular coagulation (DIC), or whether or not you are at risk of getting a stroke (a blockage in blood flow to the brain, making it worth your while if you think you are at risk.

When is the D-Dimer Test Not Reliable?

While the D-Dimer test is highly useful in certain situations, it has limitations. In some cases, the test may show false-positive or false-negative results, meaning:

False Positive: A high D-Dimer level without the presence of blood clots, often due to other conditions like trauma, liver disease, or infection.

False Negative: A normal D-Dimer result despite the presence of a clot, which can occur if the clot is too small to trigger a measurable D-Dimer level.

Statistics​

Of pregnant women show elevated levels
0 %
Of cancer patients have elevated levels
0 %
Of elevated levels reveal undiagnosed clots
0 %
Of healthy individuals show slight elevation
0 %

How To Reserve A Spot For Your D-Dimer Test

book online or call us

Use our online booking engine or book your test by giving us a call.

Choose your test type

On the online booking engine select the “appointment type” you need.

meet with our experts

You will be seen by one of our friendly phlebotomists or trained clinicians.

Procedure

Type of sample taken: Blood
preparing for appointment

Preparing for test

A D-dimer blood test is used to measure the level of the D-dimer protein in your blood. The D-dimer protein is an important substance produced when a blood clot breaks up. Therefore, a D-dimer test is primarily used to rule out conditions such as deep vein thrombosis (DVT), pulmonary embolism (PE), and disseminated intravascular coagulation (DIC), conditions considered with blood clotting conditions.

during the appointment

During the test

Your D-dimer blood test involves a super simply blood draw. The blood sample is typically drawn for a vein in your arm. The procedure is quick, and you may feel a small pinch when the needle is inserted. The blood draw will usually take just a few minutes.

post appointment

Results

Once the blood sample is taken, you may resume normal activities immediately.
If you experience any discomfort, bruising, or swelling at the site of the blood draw, apply gentle pressure and elevate the arm to reduce any swelling.D-dimer levels are measured in nanograms per milliliter (ng/mL). The normal range can vary depending on the lab, but generally, a D-dimer level below 500 ng/mL is considered normal. Higher levels may suggest the presence of abnormal clotting, but it does not diagnose a specific condition.

Why Choose Walk In Clinic
for blood testing

No
Hidden Charges

Transparent fees. The price you see is the price you pay.

No GP consultation
needed

No GP appointment requirement for blood tests

Established
since 1998

Experienced doctors & a professional team.

Strictly
confidential

Your medical records are kept private at all times.

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Blood Test Biomarkers

pricing

D Dimer Test

  • Helps diagnose blood clots
  • Assesses risk of deep vein thrombosis
  • Monitors pulmonary embolism (PE)

see other blood tests

Book Your Blood Test Today

We offer a wide range of private blood tests in London. Same-day appointments are available 5 days a week.

Specialist Medical Team

We work with experienced consultants & healthcare professionals who have received positive feedback from our patients, and with whom we have established long-term relationships.

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Can medications or other factors affect D-Dimer levels?
Yes, certain medications such as anticoagulants (blood thinners) may influence D-Dimer levels, typically lowering them. Other factors like inflammation, recent surgery, trauma, infections, or cancer can elevate D-Dimer independently of clotting disorders. It is important to inform your doctor about your full medical history, current medications, and recent health events to interpret the test correctly.
Can the D-Dimer test detect other medical conditions besides blood clots?
While the test is primarily used for clot detection, elevated D-Dimer levels can be seen in conditions with increased fibrin production or breakdown, such as severe infections (sepsis), inflammatory diseases, liver disease, trauma, malignancy, or even after surgery.
Can age affect D-Dimer test results?
It can. Your D-Dimer levels tend to increase naturally with age. This can lead to false positives in older adults when using standard cutoff values.
Is the D-Dimer test useful in diagnosing stroke?
D-Dimer is not routinely used alone to diagnose stroke, but can be elevated in certain types of stroke related to clotting disorders. It may be part of a broader coagulation workup if a clotting cause is suspected in stroke patients.

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