What causes high D Dimer and low FT3 thyroid?

High D Dimer and low FT3 thyroid can be caused by many reasons.

If your D Dimer is in between 0 ug/mL and 0.51 ug/mL and your FT3 thyroid is in between 2.3 pg/mL and 4.2 pg/mL then you need not worry as these are the normal ranges for D Dimer and FT3 thyroid respectively. But if your levels are lesser or greater than the above values, then there may be some problem in your body.

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

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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 FT3 thyroid : 2.3 - 4.2 pg/mL

Ideal values of FT3 thyroid depending on age :

Age	Ideal FT3 thyroid value
<5 years	2.38
5-10 years	2.463
10-15 years	2.549
15-20 years	2.638
20-25 years	2.73
25-30 years	2.825
30-35 years	2.924
35-40 years	3.026
40-45 years	3.132
45-50 years	3.241
50-55 years	3.354
55-60 years	3.471
60-70 years	3.592
70-80 years	3.717
80-90 years	3.847
90-100 years	3.981
>100 years	4.12

High D Dimer and low FT3 thyroid can be caused by a lot of reasons. If you take D Dimer and FT3 thyroid blood tests and the results are higher than 0.51 ug/mL for D Dimer and lower than 2.3 pg/mL for FT3 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 FT3 thyroid Tests Are Done :

If your doctor wants D Dimer and FT3 thyroid tests on you, you may need to go through these tests. During the D Dimer and FT3 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 FT3 thyroid Test reports by your pathologist.