What causes high FT3 thyroid and low HDL cholesterol?

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

If your FT3 thyroid is in between 2.3 pg/mL and 4.2 pg/mL and your HDL cholesterol is in between 40 mg/dL and 60 mg/dL then you need not worry as these are the normal ranges for FT3 thyroid and HDL cholesterol 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	2.377
5-10 years	2.457
10-15 years	2.539
15-20 years	2.624
20-25 years	2.712
25-30 years	2.803
30-35 years	2.897
35-40 years	2.994
40-45 years	3.094
45-50 years	3.198
50-55 years	3.305
55-60 years	3.416
60-70 years	3.53
70-80 years	3.648
80-90 years	3.77
90-100 years	3.896
>100 years	4.027

*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 HDL cholesterol : 40 - 60 mg/dL

Ideal values of HDL cholesterol depending on age :

Age	Ideal HDL cholesterol value
<5 years	41.34
5-10 years	42.725
10-15 years	44.156
15-20 years	45.635
20-25 years	47.164
25-30 years	48.744
30-35 years	50.377
35-40 years	52.065
40-45 years	53.809
45-50 years	55.612
50-55 years	57.475
55-60 years	59.4
60-70 years	59.333
70-80 years	59.267
80-90 years	59.2
90-100 years	59.133
>100 years	59.067

High FT3 thyroid and low HDL cholesterol can be caused by a lot of reasons. If you take FT3 thyroid and HDL cholesterol blood tests and the results are higher than 4.2 pg/mL for FT3 thyroid and lower than 40 mg/dL for HDL cholesterol, 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 HDL cholesterol Tests Are Done :

If your doctor wants FT3 thyroid and HDL cholesterol tests on you, you may need to go through these tests. During the FT3 thyroid and HDL cholesterol 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 HDL cholesterol 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