Is FT3 thyroid 3.9 normal, high or low? What does Free triiodothyronine level 3.9 mean?

Your FT3 thyroid level of 3.9 is a Normal FT3 thyroid level.

Normal FT3 thyroid levels could indicate health issues. Typically, levels between 2.3 pg/mL to 4.2 pg/mL suggest no concerns. However, deviations from this range warrant prompt medical attention. Consulting a doctor for abnormal levels is advisable.

Normal range of FT3 thyroid found among men :2.3 - 4.2 pg/mL

Ideal values of FT3 thyroid depending on age (male) :

Age	Ideal FT3 thyroid value
<5 years	2.39
5-10 years	2.483
10-15 years	2.58
15-20 years	2.681
20-25 years	2.786
25-30 years	2.895
30-35 years	3.008
35-40 years	3.125
40-45 years	3.247
45-50 years	3.374
50-55 years	3.506
55-60 years	3.643
60-70 years	3.785
70-80 years	3.933
80-90 years	4.086
90-100 years	4.079
>100 years	4.073

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

Get Advice via Email : Send us your blood test report, and our FT3 thyroid experts will check it. Within 12 hours, expect a detailed analysis and precise treatment guidance delivered to your email. If you've had additional blood tests apart from FT3 thyroid, please upload those too. A thorough diagnosis often relies on assessing all abnormalities for an accurate assessment. Upload blood test report now

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A video message on the treatment of your normal FT3 thyroid level

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

Some examples of conditions that increase or decrease FT3 thyroid levels include:

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

Receive world-class medical opinion about your normal FT3 thyroid levels over email.Upload blood test report now

Normal range of FT3 thyroid found among women :2.3-4.2 pg/mL

Ideal values of FT3 thyroid depending on age (female) :

Age	Ideal FT3 thyroid value
<5 years	2.392
5-10 years	2.488
10-15 years	2.588
15-20 years	2.692
20-25 years	2.8
25-30 years	2.912
30-35 years	3.029
35-40 years	3.151
40-45 years	3.278
45-50 years	3.41
50-55 years	3.547
55-60 years	3.689
60-70 years	3.837
70-80 years	3.991
80-90 years	4.151
90-100 years	4.145
>100 years	4.139

If you take a FT3 thyroid blood test and the results are not in the normal range (2.3-4.2 pg/mL), your physician may recommend more tests to figure out the problem. You might also get this test if your physician thinks you have some other disease.

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How the FT3 thyroid Test Is Done :

When your doctor recommends a FT3 thyroid test, you'll likely undergo a simple blood draw specifically targeting the measurement of FT3 thyroid. A pathologist, a specialist in studying diseases, will collect a small blood sample from your veins using a needle. Your FT3 thyroid test results will typically be available within a few hours after this procedure.