What causes high Phosphorus and low FT3 thyroid?

High Phosphorus and low FT3 thyroid can be caused by many reasons.

If your Phosphorus is in between 2.5 mg/dL and 4.5 mg/dL and your FT3 thyroid is in between 2.3 pg/mL and 4.2 pg/mL then you need not worry as these are the normal ranges for Phosphorus and FT3 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 Phosphorus : 2.5 - 4.5 mg/dL

Ideal values of Phosphorus depending on age :

Age	Ideal Phosphorus value
<5 years	2.698
5-10 years	2.911
10-15 years	3.141
15-20 years	3.389
20-25 years	3.657
25-30 years	3.946
30-35 years	4.258
35-40 years	4.231
40-45 years	4.204
45-50 years	4.178
50-55 years	4.152
55-60 years	4.48
60-70 years	4.452
70-80 years	4.424
80-90 years	4.396
90-100 years	4.368
>100 years	4.341

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

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

• Increased blood calcium
• Diabetic ketoacidosis (after treatment)
• Liver disease
• Rickets and osteomalacia (due to vitamin D deficiencies)
• Kidney failure

If you want your blood test report to be interpreted by Phosphorus specialist, you can upload your report. Our Phosphorus 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 FT3 thyroid : 2.3 - 4.2 pg/mL

Ideal values of FT3 thyroid depending on age :

Age	Ideal FT3 thyroid value
<5 years	2.482
5-10 years	2.678
10-15 years	2.89
15-20 years	3.118
20-25 years	3.364
25-30 years	3.63
30-35 years	3.917
35-40 years	3.892
40-45 years	4.199
45-50 years	4.173
50-55 years	4.147
55-60 years	4.121
60-70 years	4.096
70-80 years	4.071
80-90 years	4.046
90-100 years	4.021
>100 years	3.996

High Phosphorus and low FT3 thyroid can be caused by a lot of reasons. If you take Phosphorus and FT3 thyroid blood tests and the results are higher than 4.5 mg/dL for Phosphorus and lower than 2.3 pg/mL for FT3 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 Phosphorus and FT3 thyroid Tests Are Done :

If your doctor wants Phosphorus and FT3 thyroid tests on you, you may need to go through these tests. During the Phosphorus and FT3 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 Phosphorus and FT3 thyroid Test reports by your pathologist.