What causes high Prothrombin time and low RDW SD?

High Prothrombin time and low RDW SD can be caused by many reasons.

If your Prothrombin time is in between 12 seconds and 16 seconds and your RDW SD is in between 39 fL and 46 fL then you need not worry as these are the normal ranges for Prothrombin time and RDW SD 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	12.128
5-10 years	12.258
10-15 years	12.389
15-20 years	12.522
20-25 years	12.656
25-30 years	12.791
30-35 years	12.928
35-40 years	13.066
40-45 years	13.206
45-50 years	13.347
50-55 years	13.49
55-60 years	13.634
60-70 years	13.78
70-80 years	13.927
80-90 years	14.076
90-100 years	14.227
>100 years	14.379

*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

1,37,160

Total number of patients treated

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 RDW SD : 39 - 46 fL

Ideal values of RDW SD depending on age :

Age	Ideal RDW SD value
<5 years	39.417
5-10 years	39.839
10-15 years	40.265
15-20 years	40.696
20-25 years	41.131
25-30 years	41.571
30-35 years	42.016
35-40 years	42.466
40-45 years	42.92
45-50 years	43.379
50-55 years	43.843
55-60 years	44.312
60-70 years	44.786
70-80 years	45.265
80-90 years	45.749
90-100 years	45.744
>100 years	45.738

High Prothrombin time and low RDW SD can be caused by a lot of reasons. If you take Prothrombin time and RDW SD blood tests and the results are higher than 16 seconds for Prothrombin time and lower than 39 fL for RDW SD, 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.

This page has got the maximum number of views from the below mentioned cities (traffic in last 30 days):

How the Prothrombin time and RDW SD Tests Are Done :

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