What does high RDW SD and Transferrin saturation mean in blood test?

High RDW SD and Transferrin saturation can be caused by numerous problems.

High levels of RDW SD and Transferrin saturation in the blood indicate a variety of health problems. If your blood RDW SD level is between 39 fL to 46 fL and the Transferrin saturation level is between 13 fL to 45 %, then your body does not have any underlying health problems. But if RDW SD and Transferrin saturation 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	39.73
5-10 years	40.474
10-15 years	41.232
15-20 years	42.004
20-25 years	42.791
25-30 years	43.592
30-35 years	44.408
35-40 years	45.24
40-45 years	45.224
45-50 years	45.208
50-55 years	45.192
55-60 years	45.176
60-70 years	45.16
70-80 years	45.144
80-90 years	45.99
90-100 years	45.973
>100 years	45.957

*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 Transferrin saturation range : 13 - 45 %

Age-wise ideal Transferrin saturation level in blood:

Age	Ideal Transferrin saturation value
<5 years	13.243
5-10 years	13.491
10-15 years	13.744
15-20 years	14.001
20-25 years	14.263
25-30 years	14.53
30-35 years	14.802
35-40 years	15.079
40-45 years	15.361
45-50 years	15.649
50-55 years	15.942
55-60 years	16.241
60-70 years	16.545
70-80 years	16.855
80-90 years	17.171
90-100 years	17.493
>100 years	17.821

High RDW SD and Transferrin saturation 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 45 % for Transferrin saturation, 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 Transferrin saturation test. In most hospitals RDW SD and Transferrin saturation 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.