What does high Prothrombin time and RDW SD mean in blood test?

High Prothrombin time and RDW SD can be caused by numerous problems.

High levels of Prothrombin time and RDW SD in the blood indicate a variety of health problems. If your blood Prothrombin time level is between 12 seconds to 16 seconds and the RDW SD level is between 39 seconds to 46 fL, then your body does not have any underlying health problems. But if Prothrombin time and RDW SD 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	12.164
5-10 years	12.331
10-15 years	12.5
15-20 years	12.671
20-25 years	12.845
25-30 years	13.021
30-35 years	13.199
35-40 years	13.38
40-45 years	13.563
45-50 years	13.749
50-55 years	13.937
55-60 years	14.128
60-70 years	14.322
70-80 years	14.518
80-90 years	14.717
90-100 years	14.919
>100 years	15.123

*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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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 RDW SD range : 39 - 46 fL

Age-wise ideal RDW SD level in blood:

Age	Ideal RDW SD value
<5 years	39.534
5-10 years	40.076
10-15 years	40.625
15-20 years	41.182
20-25 years	41.746
25-30 years	42.318
30-35 years	42.898
35-40 years	43.486
40-45 years	44.082
45-50 years	44.686
50-55 years	45.298
55-60 years	45.919
60-70 years	45.91
70-80 years	45.901
80-90 years	45.893
90-100 years	45.885
>100 years	45.877

High Prothrombin time and RDW SD 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 46 fL for RDW SD, 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 RDW SD test. In most hospitals Prothrombin time and RDW SD 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.