What does high FT4 thyroid and RDW CV mean in blood test?

High FT4 thyroid and RDW CV can be caused by numerous problems.

High levels of FT4 thyroid and RDW CV in the blood indicate a variety of health problems. If your blood FT4 thyroid level is between 0.89 ng/dL to 1.76 ng/dL and the RDW CV level is between 11.6 ng/dL to 14 %, then your body does not have any underlying health problems. But if FT4 thyroid and RDW CV levels exceed these levels, you should see a doctor immediately.

Normal FT4 thyroid range : 0.89 - 1.76 ng/dL

Age-wise ideal FT4 thyroid level in blood:

Age	Ideal FT4 thyroid value
<5 years	0.94954
5-10 years	1.01306
10-15 years	1.08083
15-20 years	1.15314
20-25 years	1.23029
25-30 years	1.3126
30-35 years	1.40041
35-40 years	1.4941
40-45 years	1.59406
45-50 years	1.7007
50-55 years	1.69309
55-60 years	1.68551
60-70 years	1.67797
70-80 years	1.67046
80-90 years	1.66298
90-100 years	1.65553
>100 years	1.64812

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

If you want your blood test report to be interpreted by FT4 thyroid specialist, then you can upload your report. Our FT4 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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Total number of patients treated

Some examples of conditions that increase or decrease FT4 thyroid levels include:

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

If you want your blood test report to be interpreted by FT4 thyroid specialist, you can upload your report. Our FT4 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 CV range : 11.6 - 14 %

Age-wise ideal RDW CV level in blood:

Age	Ideal RDW CV value
<5 years	12.376
5-10 years	13.204
10-15 years	13.145
15-20 years	13.086
20-25 years	13.961
25-30 years	13.899
30-35 years	13.837
35-40 years	13.775
40-45 years	13.714
45-50 years	13.652
50-55 years	13.591
55-60 years	13.53
60-70 years	13.469
70-80 years	13.409
80-90 years	13.349
90-100 years	13.289
>100 years	13.229

High FT4 thyroid and RDW CV 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 1.76 ng/dL for FT4 thyroid and more than 14 % for RDW CV, 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 FT4 thyroid and RDW CV test. In most hospitals FT4 thyroid and RDW CV 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.