What does high RDW SD and FT3 thyroid mean in blood test?

High RDW SD and FT3 thyroid can be caused by numerous problems.

High levels of RDW SD and FT3 thyroid in the blood indicate a variety of health problems. If your blood RDW SD level is between 39 fL to 46 fL and the FT3 thyroid level is between 2.3 fL to 4.2 pg/mL, then your body does not have any underlying health problems. But if RDW SD and FT3 thyroid 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	39.721
5-10 years	40.455
10-15 years	41.203
15-20 years	41.965
20-25 years	42.741
25-30 years	43.531
30-35 years	44.336
35-40 years	45.156
40-45 years	45.991
45-50 years	45.975
50-55 years	45.959
55-60 years	45.944
60-70 years	45.929
70-80 years	45.913
80-90 years	45.897
90-100 years	45.882
>100 years	45.866

*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 FT3 thyroid range : 2.3 - 4.2 pg/mL

Age-wise ideal FT3 thyroid level in blood:

Age	Ideal FT3 thyroid value
<5 years	2.343
5-10 years	2.386
10-15 years	2.43
15-20 years	2.475
20-25 years	2.521
25-30 years	2.568
30-35 years	2.615
35-40 years	2.663
40-45 years	2.712
45-50 years	2.762
50-55 years	2.813
55-60 years	2.865
60-70 years	2.918
70-80 years	2.972
80-90 years	3.027
90-100 years	3.083
>100 years	3.14

High RDW SD and FT3 thyroid 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 4.2 pg/mL for FT3 thyroid, 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 FT3 thyroid test. In most hospitals RDW SD and FT3 thyroid 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.