What causes high FT4 thyroid and low WBC?

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

If your FT4 thyroid is in between 0.89 ng/dL and 1.76 ng/dL and your WBC is in between 4 thou/uL and 11 thou/uL then you need not worry as these are the normal ranges for FT4 thyroid and WBC 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 FT4 thyroid : 0.89 - 1.76 ng/dL

Ideal values of FT4 thyroid depending on age :

Age	Ideal FT4 thyroid value
<5 years	0.91688
5-10 years	0.94457
10-15 years	0.9731
15-20 years	1.00249
20-25 years	1.03277
25-30 years	1.06396
30-35 years	1.09609
35-40 years	1.12919
40-45 years	1.16329
45-50 years	1.19842
50-55 years	1.23461
55-60 years	1.2719
60-70 years	1.31031
70-80 years	1.34988
80-90 years	1.39065
90-100 years	1.43265
>100 years	1.47592

*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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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 range of WBC : 4 - 11 thou/uL

Ideal values of WBC depending on age :

Age	Ideal WBC value
<5 years	4.121
5-10 years	4.245
10-15 years	4.373
15-20 years	4.505
20-25 years	4.641
25-30 years	4.781
30-35 years	4.925
35-40 years	5.074
40-45 years	5.227
45-50 years	5.385
50-55 years	5.548
55-60 years	5.716
60-70 years	5.889
70-80 years	6.067
80-90 years	6.25
90-100 years	6.439
>100 years	6.633

High FT4 thyroid and low WBC can be caused by a lot of reasons. If you take FT4 thyroid and WBC blood tests and the results are higher than 1.76 ng/dL for FT4 thyroid and lower than 4 thou/uL for WBC, 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 FT4 thyroid and WBC Tests Are Done :

If your doctor wants FT4 thyroid and WBC tests on you, you may need to go through these tests. During the FT4 thyroid and WBC 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 FT4 thyroid and WBC Test reports by your pathologist.