What causes high FT4 thyroid and low Phosphorus?

high FT4 thyroid

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

If your FT4 thyroid is in between 0.89 ng/dL and 1.76 ng/dL and your Phosphorus is in between 2.5 mg/dL and 4.5 mg/dL then you need not worry as these are the normal ranges for FT4 thyroid and Phosphorus respectively. But if your levels are lesser or greater than the above values, then there may be some problem in your body.

Important - Go to the end of this article and read how our patients treated their FT4 thyroid levels 

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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 0.92097
5-10 years 0.95302
10-15 years 0.98619
15-20 years 1.02051
20-25 years 1.05602
25-30 years 1.09277
30-35 years 1.1308
35-40 years 1.17015
40-45 years 1.21087
45-50 years 1.25301
50-55 years 1.29661
55-60 years 1.34173
60-70 years 1.38842
70-80 years 1.43674
80-90 years 1.48674
90-100 years 1.53848
>100 years 1.59202

*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

1,37,160

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 Phosphorus : 2.5 - 4.5 mg/dL

Ideal values of Phosphorus depending on age :
Age Ideal Phosphorus value
<5 years 2.587
5-10 years 2.677
10-15 years 2.77
15-20 years 2.866
20-25 years 2.966
25-30 years 3.069
30-35 years 3.176
35-40 years 3.287
40-45 years 3.401
45-50 years 3.519
50-55 years 3.641
55-60 years 3.768
60-70 years 3.899
70-80 years 4.035
80-90 years 4.175
90-100 years 4.32
>100 years 4.47
Chest pain

Can Low or High thyroid cause Heart Problems?

Read on to know how abnormal FT4 thyroid affects heart

Know more

High FT4 thyroid and low Phosphorus can be caused by a lot of reasons. If you take FT4 thyroid and Phosphorus blood tests and the results are higher than 1.76 ng/dL for FT4 thyroid and lower than 2.5 mg/dL for Phosphorus, 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 Phosphorus Tests Are Done :

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

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Dr. Dwayne Michaels
Guest Author
medchunk-doctor
Dr. Dwayne Michaels
Guest Author
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