What causes high D Dimer and low FT4 thyroid?

high D Dimer

High D Dimer and low FT4 thyroid can be caused by many reasons.

If your D Dimer is in between 0 ug/mL and 0.51 ug/mL and your FT4 thyroid is in between 0.89 ng/dL and 1.76 ng/dL then you need not worry as these are the normal ranges for D Dimer and FT4 thyroid respectively. But if your levels are lesser or greater than the above values, then there may be some problem in your body.

Important - Go to the end of this article and read how our patients treated their D Dimer levels 

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Normal range of D Dimer : 0 - 0.51 ug/mL

Ideal values of D Dimer depending on age :
Age Ideal D Dimer value
<5 years 0.114
5-10 years 0.118
10-15 years 0.122
15-20 years 0.126
20-25 years 0.13
25-30 years 0.135
30-35 years 0.14
35-40 years 0.145
40-45 years 0.15
45-50 years 0.155
50-55 years 0.16
55-60 years 0.166
60-70 years 0.172
70-80 years 0.178
80-90 years 0.184
90-100 years 0.19
>100 years 0.197

*Ideal values are calculated based on our database of patient records

If you want your blood test report to be interpreted by D Dimer specialist, then you can upload your report. Our D Dimer expert will provide you with the most accurate interpretation of your blood test results and treatment within 12 hours. Upload blood test report now

1,37,160

Total number of patients treated

Some examples of conditions that increase or decrease D Dimer levels include:

  • Smoking
  • Obesity
  • Clotting disorder such as factor V Leiden mutation
  • Antiphospholipid syndrome
  • Prolonged immobility

If you want your blood test report to be interpreted by D Dimer specialist, you can upload your report. Our D Dimer expert will provide you with the most accurate interpretation of your blood test results and treatment within 12 hours. Upload blood test report now

Normal range of FT4 thyroid : 0.89 - 1.76 ng/dL

Ideal values of FT4 thyroid depending on age :
Age Ideal FT4 thyroid value
<5 years 0.92115
5-10 years 0.95339
10-15 years 0.98676
15-20 years 1.0213
20-25 years 1.05705
25-30 years 1.09405
30-35 years 1.13234
35-40 years 1.17197
40-45 years 1.21299
45-50 years 1.25544
50-55 years 1.29938
55-60 years 1.34486
60-70 years 1.39193
70-80 years 1.44065
80-90 years 1.49107
90-100 years 1.54326
>100 years 1.59727
Chest pain

Can Low or High D Dimer cause Heart Problems?

Read on to know how abnormal D Dimer affects heart

Know more

High D Dimer and low FT4 thyroid can be caused by a lot of reasons. If you take D Dimer and FT4 thyroid blood tests and the results are higher than 0.51 ug/mL for D Dimer and lower than 0.89 ng/dL for FT4 thyroid, your physician may recommend more tests to figure out the problem. You might also get these tests if your physician thinks you have some other disease.

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How the D Dimer and FT4 thyroid Tests Are Done :

If your doctor wants D Dimer and FT4 thyroid tests on you, you may need to go through these tests. During the D Dimer and FT4 thyroid blood tests, a pathologist will put a needle into your veins and take out a small quantity of blood. A pathologist is a physician in the medical field who thoroughly studies the causes and effects of disease. Within a few hours you will get your D Dimer and FT4 thyroid Test reports by your pathologist.

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Dr. Dwayne Michaels
Guest Author
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Dr. Dwayne Michaels
Guest Author
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