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

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

High levels of FT3 thyroid and RDW SD in the blood indicate a variety of health problems. If your blood FT3 thyroid level is between 2.3 pg/mL to 4.2 pg/mL and the RDW SD level is between 39 pg/mL to 46 fL, then your body does not have any underlying health problems. But if FT3 thyroid and RDW SD levels exceed these levels, you should see a doctor immediately.

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	2.454
5-10 years	2.618
10-15 years	2.793
15-20 years	2.98
20-25 years	3.18
25-30 years	3.393
30-35 years	3.62
35-40 years	3.863
40-45 years	4.122
45-50 years	4.103
50-55 years	4.085
55-60 years	4.067
60-70 years	4.048
70-80 years	4.03
80-90 years	4.012
90-100 years	3.994
>100 years	3.976

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

If you want your blood test report to be interpreted by FT3 thyroid specialist, then you can upload your report. Our FT3 thyroid 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 FT3 thyroid levels include:

• Thyroiditis
• A non-functioning thyroid gland
• Autoimmune disease
• Diabetes
• Liver disease

If you want your blood test report to be interpreted by FT3 thyroid specialist, you can upload your report. Our FT3 thyroid 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	41.613
5-10 years	44.401
10-15 years	44.202
15-20 years	44.004
20-25 years	43.806
25-30 years	43.609
30-35 years	43.413
35-40 years	43.218
40-45 years	43.024
45-50 years	45.907
50-55 years	45.701
55-60 years	45.496
60-70 years	45.292
70-80 years	45.089
80-90 years	44.887
90-100 years	44.685
>100 years	44.485

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