What causes high Prothrombin time and low Platelet count?

High Prothrombin time and low Platelet count can be caused by many reasons.

If your Prothrombin time is in between 12 seconds and 16 seconds and your Platelet count is in between 150 thou/uL and 450 thou/uL then you need not worry as these are the normal ranges for Prothrombin time and Platelet count 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 Prothrombin time : 12 - 16 seconds

Ideal values of Prothrombin time depending on age :

Age	Ideal Prothrombin time value
<5 years	12.12
5-10 years	12.242
10-15 years	12.365
15-20 years	12.489
20-25 years	12.614
25-30 years	12.741
30-35 years	12.869
35-40 years	12.998
40-45 years	13.128
45-50 years	13.26
50-55 years	13.393
55-60 years	13.527
60-70 years	13.663
70-80 years	13.8
80-90 years	13.938
90-100 years	14.078
>100 years	14.219

*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 range of Platelet count : 150 - 450 thou/uL

Ideal values of Platelet count depending on age :

Age	Ideal Platelet count value
<5 years	151.505
5-10 years	153.025
10-15 years	154.56
15-20 years	156.11
20-25 years	157.676
25-30 years	159.257
30-35 years	160.854
35-40 years	162.467
40-45 years	164.097
45-50 years	165.743
50-55 years	167.405
55-60 years	169.084
60-70 years	170.78
70-80 years	172.493
80-90 years	174.223
90-100 years	175.97
>100 years	177.735

High Prothrombin time and low Platelet count can be caused by a lot of reasons. If you take Prothrombin time and Platelet count blood tests and the results are higher than 16 seconds for Prothrombin time and lower than 150 thou/uL for Platelet count, 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 Prothrombin time and Platelet count Tests Are Done :

If your doctor wants Prothrombin time and Platelet count tests on you, you may need to go through these tests. During the Prothrombin time and Platelet count 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 Prothrombin time and Platelet count Test reports by your pathologist.