What causes high FT4 thyroid and low Potassium?

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

If your FT4 thyroid is in between 0.89 ng/dL and 1.76 ng/dL and your Potassium is in between 3.5 mmol/L and 5.1 mmol/L then you need not worry as these are the normal ranges for FT4 thyroid and Potassium 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	0.92079
5-10 years	0.95265
10-15 years	0.98561
15-20 years	1.01971
20-25 years	1.05499
25-30 years	1.09149
30-35 years	1.12926
35-40 years	1.16833
40-45 years	1.20875
45-50 years	1.25057
50-55 years	1.29384
55-60 years	1.33861
60-70 years	1.38493
70-80 years	1.43285
80-90 years	1.48243
90-100 years	1.53372
>100 years	1.58679

*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 range of Potassium : 3.5 - 5.1 mmol/L

Ideal values of Potassium depending on age :

Age	Ideal Potassium value
<5 years	3.621
5-10 years	3.746
10-15 years	3.876
15-20 years	4.01
20-25 years	4.149
25-30 years	4.293
30-35 years	4.442
35-40 years	4.596
40-45 years	4.755
45-50 years	4.92
50-55 years	5.09
55-60 years	5.084
60-70 years	5.078
70-80 years	5.072
80-90 years	5.065
90-100 years	5.059
>100 years	5.053

High FT4 thyroid and low Potassium can be caused by a lot of reasons. If you take FT4 thyroid and Potassium blood tests and the results are higher than 1.76 ng/dL for FT4 thyroid and lower than 3.5 mmol/L for Potassium, 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 Potassium Tests Are Done :

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