What causes high RDW and low FT4 thyroid?

High RDW and low FT4 thyroid can be caused by many reasons.

If your RDW is in between 11.6 % and 14 % and your FT4 thyroid is in between 0.89 ng/dL and 1.76 ng/dL then you need not worry as these are the normal ranges for RDW and FT4 thyroid respectively. But if your levels are lesser or greater than the above values, then there may be some problem in your body.

Normal range of RDW : 11.6 - 14 %

Ideal values of RDW depending on age :
Age Ideal RDW value
<5 years 11.89
5-10 years 12.187
10-15 years 12.492
15-20 years 12.804
20-25 years 13.124
25-30 years 13.452
30-35 years 13.788
35-40 years 13.78
40-45 years 13.772
45-50 years 13.763
50-55 years 13.754
55-60 years 13.746
60-70 years 13.738
70-80 years 13.729
80-90 years 13.72
90-100 years 13.711
>100 years 13.703

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

Your RDW result may be wrong. Click to know the reason in detail

Click here to know Symptoms of High RDW

Click here to know Symptoms of Low FT4 thyroid

Besides Lab test failures, there are many other reasons for inaccurate blood results. Know the common reasons for inaccurate blood test results

Can Low or High RDW cause Heart Attack? Click here to know

Normal range of RDW found among women : - %

Ideal values of FT4 thyroid depending on age :
Age Ideal FT4 thyroid value
<5 years 0.91225
5-10 years 0.93506
10-15 years 0.95844
15-20 years 0.9824
20-25 years 1.00696
25-30 years 1.03213
30-35 years 1.05793
35-40 years 1.08438
40-45 years 1.11149
45-50 years 1.13928
50-55 years 1.16776
55-60 years 1.19695
60-70 years 1.22687
70-80 years 1.25754
80-90 years 1.28898
90-100 years 1.3212
>100 years 1.35423

Click here to know Symptoms of High RDW

Click here to know Symptoms of Low FT4 thyroid

Can Low or High RDW cause Heart Attack? Click here to know

Click here to upload your blood test report

Click here to consult a doctor for your Low RDW problem

High RDW and low FT4 thyroid can be caused by a lot of reasons. If you take RDW and FT4 thyroid blood tests and the results are higher than 14 % for RDW and lower than 0.89 ng/dL for FT4 thyroid, your physician may recommend more tests to figure out the problem. You might also get these tests if your physician thinks you have some other disease.

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How the RDW and FT4 thyroid Tests Are Done :

If your doctor wants RDW and FT4 thyroid tests on you, you may need to go through these tests. During the RDW and FT4 thyroid blood tests, a pathologist will put a needle into your veins and take out a small quantity of blood. A pathologist is a physician in the medical field who thoroughly studies the causes and effects of disease. Within a few hours you will get your RDW and FT4 thyroid Test reports by your pathologist.

Click here to upload your blood test report

Click here to consult a doctor for your Low RDW problem

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