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

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

High levels of RDW and FT3 thyroid in the blood indicate a variety of health problems. If your blood RDW level is between 11.6 % to 14 % and the FT3 thyroid level is between 2.3 % to 4.2 pg/mL, then your body does not have any underlying health problems. But if RDW and FT3 thyroid levels exceed these levels, you should see a doctor immediately.

Normal RDW range : 11.6 - 14 %

Age-wise ideal RDW level in blood:

Age	Ideal RDW value
<5 years	12.237
5-10 years	12.909
10-15 years	13.618
15-20 years	13.577
20-25 years	13.536
25-30 years	13.495
30-35 years	13.454
35-40 years	13.414
40-45 years	13.373
45-50 years	13.333
50-55 years	13.293
55-60 years	13.253
60-70 years	13.981
70-80 years	13.939
80-90 years	13.897
90-100 years	13.855
>100 years	13.814

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

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

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

If you want your blood test report to be interpreted by RDW specialist, you can upload your report. Our RDW 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	2.426
5-10 years	2.559
10-15 years	2.699
15-20 years	2.847
20-25 years	3.003
25-30 years	3.168
30-35 years	3.342
35-40 years	3.525
40-45 years	3.719
45-50 years	3.923
50-55 years	4.138
55-60 years	4.125
60-70 years	4.112
70-80 years	4.1
80-90 years	4.088
90-100 years	4.075
>100 years	4.063

High RDW 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 14 % for RDW 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 and FT3 thyroid test. In most hospitals RDW 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.