What causes high FT3 thyroid and low Bilirubin total?

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

If your FT3 thyroid is in between 2.3 pg/mL and 4.2 pg/mL and your Bilirubin total is in between 0.2 mg/dL and 1 mg/dL then you need not worry as these are the normal ranges for FT3 thyroid and Bilirubin total 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 FT3 thyroid : 2.3 - 4.2 pg/mL

Ideal values of FT3 thyroid depending on age :

Age	Ideal FT3 thyroid value
<5 years	2.373
5-10 years	2.449
10-15 years	2.527
15-20 years	2.608
20-25 years	2.691
25-30 years	2.777
30-35 years	2.866
35-40 years	2.957
40-45 years	3.051
45-50 years	3.148
50-55 years	3.248
55-60 years	3.352
60-70 years	3.459
70-80 years	3.569
80-90 years	3.683
90-100 years	3.8
>100 years	3.921

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

If you want your blood test report to be interpreted by FT3 thyroid specialist, then you can upload your report. Our FT3 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 FT3 thyroid levels include:

• Thyroiditis
• A non-functioning thyroid gland
• Autoimmune disease
• Diabetes
• Liver disease

If you want your blood test report to be interpreted by FT3 thyroid specialist, you can upload your report. Our FT3 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 Bilirubin total : 0.2 - 1 mg/dL

Ideal values of Bilirubin total depending on age :

Age	Ideal Bilirubin total value
<5 years	0.206
5-10 years	0.213
10-15 years	0.22
15-20 years	0.227
20-25 years	0.234
25-30 years	0.241
30-35 years	0.249
35-40 years	0.257
40-45 years	0.265
45-50 years	0.273
50-55 years	0.282
55-60 years	0.291
60-70 years	0.3
70-80 years	0.31
80-90 years	0.32
90-100 years	0.33
>100 years	0.341

High FT3 thyroid and low Bilirubin total can be caused by a lot of reasons. If you take FT3 thyroid and Bilirubin total blood tests and the results are higher than 4.2 pg/mL for FT3 thyroid and lower than 0.2 mg/dL for Bilirubin total, 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 FT3 thyroid and Bilirubin total Tests Are Done :

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

Medical References

• MedlinePlus – Triiodothyronine (T3) Tests
• Cleveland Clinic – Triiodothyronine (T3) Test: What It Is, Function & Levels
• MedlinePlus – T3 test
• WebMD – T3 Tests: T3 Uptake Levels, Common Thyroid Conditions, and More
• NIH – How to interpret thyroid function tests