What causes high FT4 thyroid and low PPBG?

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

If your FT4 thyroid is in between 0.89 ng/dL and 1.76 ng/dL and your PPBG is in between 80 mg/dL and 140 mg/dL then you need not worry as these are the normal ranges for FT4 thyroid and PPBG 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	0.92266
5-10 years	0.95652
10-15 years	0.99162
15-20 years	1.02801
20-25 years	1.06574
25-30 years	1.10485
30-35 years	1.1454
35-40 years	1.18744
40-45 years	1.23102
45-50 years	1.2762
50-55 years	1.32304
55-60 years	1.3716
60-70 years	1.42194
70-80 years	1.47413
80-90 years	1.52823
90-100 years	1.58432
>100 years	1.64246

*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 PPBG : 80 - 140 mg/dL

Ideal values of PPBG depending on age :

Age	Ideal PPBG value
<5 years	82.936
5-10 years	85.98
10-15 years	89.135
15-20 years	92.406
20-25 years	95.797
25-30 years	99.313
30-35 years	102.958
35-40 years	106.737
40-45 years	110.654
45-50 years	114.715
50-55 years	118.925
55-60 years	123.29
60-70 years	127.815
70-80 years	132.506
80-90 years	137.369
90-100 years	137.184
>100 years	137

High FT4 thyroid and low PPBG can be caused by a lot of reasons. If you take FT4 thyroid and PPBG blood tests and the results are higher than 1.76 ng/dL for FT4 thyroid and lower than 80 mg/dL for PPBG, 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 PPBG Tests Are Done :

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