What does high D Dimer and APTT mean in blood test?

High D Dimer and APTT can be caused by numerous problems.

High levels of D Dimer and APTT 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 APTT level is between 22 ug/mL to 35 seconds, then your body does not have any underlying health problems. But if D Dimer and APTT 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	0.172
35-40 years	0.183
40-45 years	0.195
45-50 years	0.208
50-55 years	0.222
55-60 years	0.237
60-70 years	0.253
70-80 years	0.27
80-90 years	0.288
90-100 years	0.307
>100 years	0.327

*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 APTT range : 22 - 35 seconds

Age-wise ideal APTT level in blood:

Age	Ideal APTT value
<5 years	23.452
5-10 years	25
10-15 years	26.65
15-20 years	28.409
20-25 years	30.284
25-30 years	32.283
30-35 years	34.414
35-40 years	34.264
40-45 years	34.114
45-50 years	33.966
50-55 years	33.818
55-60 years	33.671
60-70 years	33.524
70-80 years	33.378
80-90 years	33.233
90-100 years	33.088
>100 years	32.944

High D Dimer and APTT 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 35 seconds for APTT, 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 APTT test. In most hospitals D Dimer and APTT 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.