What does high Prothrombin time and D Dimer mean in blood test?

High Prothrombin time and D Dimer can be caused by numerous problems.

High levels of Prothrombin time and D Dimer in the blood indicate a variety of health problems. If your blood Prothrombin time level is between 12 seconds to 16 seconds and the D Dimer level is between 0 seconds to 0.51 ug/mL, then your body does not have any underlying health problems. But if Prothrombin time and D Dimer levels exceed these levels, you should see a doctor immediately.

Normal Prothrombin time range : 12 - 16 seconds

Age-wise ideal Prothrombin time level in blood:

Age	Ideal Prothrombin time value
<5 years	12.162
5-10 years	12.326
10-15 years	12.493
15-20 years	12.662
20-25 years	12.833
25-30 years	13.007
30-35 years	13.183
35-40 years	13.361
40-45 years	13.542
45-50 years	13.725
50-55 years	13.911
55-60 years	14.099
60-70 years	14.29
70-80 years	14.483
80-90 years	14.679
90-100 years	14.877
>100 years	15.078

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

If you want your blood test report to be interpreted by Prothrombin time specialist, then you can upload your report. Our Prothrombin time 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 Prothrombin time levels include:

• Liver disease
• Vitamin K abnormality
• Hemophilia A and hemophilia B
• Decreased or defective factor I (fibrinogen), II (prothrombin), V or X
• Willebrand disease

If you want your blood test report to be interpreted by Prothrombin time specialist, you can upload your report. Our Prothrombin time 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 D Dimer range : 0 - 0.51 ug/mL

Age-wise ideal D Dimer level in blood:

Age	Ideal D Dimer value
<5 years	0.111
5-10 years	0.113
10-15 years	0.115
15-20 years	0.117
20-25 years	0.119
25-30 years	0.121
30-35 years	0.123
35-40 years	0.125
40-45 years	0.127
45-50 years	0.129
50-55 years	0.131
55-60 years	0.133
60-70 years	0.135
70-80 years	0.137
80-90 years	0.139
90-100 years	0.141
>100 years	0.143

High Prothrombin time and D Dimer 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 16 seconds for Prothrombin time and more than 0.51 ug/mL for D Dimer, 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 Prothrombin time and D Dimer test. In most hospitals Prothrombin time and D Dimer 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.