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

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

High levels of RDW SD and Prothrombin time in the blood indicate a variety of health problems. If your blood RDW SD level is between 39 fL to 46 fL and the Prothrombin time level is between 12 fL to 16 seconds, then your body does not have any underlying health problems. But if RDW SD and Prothrombin time levels exceed these levels, you should see a doctor immediately.

Normal RDW SD range : 39 - 46 fL

Age-wise ideal RDW SD level in blood:

Age	Ideal RDW SD value
<5 years	39.729
5-10 years	40.471
10-15 years	41.227
15-20 years	41.997
20-25 years	42.782
25-30 years	43.581
30-35 years	44.395
35-40 years	45.224
40-45 years	45.208
45-50 years	45.192
50-55 years	45.176
55-60 years	45.16
60-70 years	45.145
70-80 years	45.988
80-90 years	45.972
90-100 years	45.956
>100 years	45.94

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

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

• Thalassemia, an inherited blood disorder
• Crohn's disease
• Chronic liver disease
• An iron or vitamin deficiency
• Heart disease

If you want your blood test report to be interpreted by RDW SD specialist, you can upload your report. Our RDW SD 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 Prothrombin time range : 12 - 16 seconds

Age-wise ideal Prothrombin time level in blood:

Age	Ideal Prothrombin time value
<5 years	12.224
5-10 years	12.452
10-15 years	12.685
15-20 years	12.922
20-25 years	13.163
25-30 years	13.409
30-35 years	13.659
35-40 years	13.914
40-45 years	14.174
45-50 years	14.439
50-55 years	14.709
55-60 years	14.984
60-70 years	15.264
70-80 years	15.549
80-90 years	15.839
90-100 years	15.834
>100 years	15.829

High RDW SD and Prothrombin time 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 46 fL for RDW SD and more than 16 seconds for Prothrombin time, 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 RDW SD and Prothrombin time test. In most hospitals RDW SD and Prothrombin time 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.