What does high D Dimer and FT4 thyroid mean in blood test?

High D Dimer and FT4 thyroid can be caused by numerous problems.

High levels of D Dimer and FT4 thyroid in the blood indicate a variety of health problems. If your blood D Dimer level is between 0 ug/mL to 0.51 ug/mL and the FT4 thyroid level is between 0.89 ug/mL to 1.76 ng/dL, then your body does not have any underlying health problems. But if D Dimer and FT4 thyroid levels exceed these levels, you should see a doctor immediately.

Normal D Dimer range : 0 - 0.51 ug/mL

Age-wise ideal D Dimer level in blood:

Age	Ideal D Dimer value
<5 years	0.117
5-10 years	0.125
10-15 years	0.133
15-20 years	0.142
20-25 years	0.151
25-30 years	0.161
30-35 years	0.171
35-40 years	0.182
40-45 years	0.194
45-50 years	0.207
50-55 years	0.22
55-60 years	0.234
60-70 years	0.249
70-80 years	0.265
80-90 years	0.282
90-100 years	0.3
>100 years	0.32

*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 FT4 thyroid range : 0.89 - 1.76 ng/dL

Age-wise ideal FT4 thyroid level in blood:

Age	Ideal FT4 thyroid value
<5 years	0.94785
5-10 years	1.00946
10-15 years	1.07507
15-20 years	1.14495
20-25 years	1.21937
25-30 years	1.29863
30-35 years	1.38304
35-40 years	1.47294
40-45 years	1.56868
45-50 years	1.67064
50-55 years	1.66358
55-60 years	1.65655
60-70 years	1.64956
70-80 years	1.75678
80-90 years	1.74936
90-100 years	1.74197
>100 years	1.73461

High D Dimer and FT4 thyroid levels in the blood can cause a number of health problems. Your GP may recommend follow-up tests to get an important picture of your overall health and well-being. If the results are greater than 0.51 ug/mL for D Dimer and more than 1.76 ng/dL for FT4 thyroid, you may also need some follow-up tests that will help detect the underlying disease early.

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How is a blood test performed in the lab?

Depending on the symptoms you are experiencing, your doctor may order a D Dimer and FT4 thyroid test. In most hospitals D Dimer and FT4 thyroid results can be obtained within three to six hours after blood is taken. The blood is usually drawn from a vein on the inside of the elbow or the back of the hand. Drink plenty of water before your appointment. If you experience any symptoms that you are concerned about are out of the ordinary, call your doctor immediately.