Is FT3 thyroid 5.9 high, normal or dangerous? What does Free triiodothyronine level 5.9 mean?

Your FT3 thyroid level of 5.9 is a High FT3 thyroid level.

High FT3 thyroid levels may indicate underlying health problems. The normal range is typically between 2.3 pg/mL and 4.2 pg/mL. If your levels are outside this range, it's important to speak with a healthcare provider. Consulting a doctor is recommended to determine the cause and appropriate next steps.

The normal FT3 thyroid range for men is :2.3 - 4.2 pg/mL

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

Age	Ideal FT3 thyroid value
<5 years	2.436
5-10 years	2.58
10-15 years	2.732
15-20 years	2.893
20-25 years	3.064
25-30 years	3.245
30-35 years	3.436
35-40 years	3.639
40-45 years	3.854
45-50 years	4.081
50-55 years	4.067
55-60 years	4.053
60-70 years	4.039
70-80 years	4.025
80-90 years	4.011
90-100 years	3.997
>100 years	3.983

*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 review it. You'll receive a detailed analysis and personalized treatment guidance via email within 12 hours. If you have additional blood test results besides FT3 thyroid, please include those too—an accurate diagnosis often requires a full view of all abnormalities. Upload blood test report now

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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 high 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	2.44
5-10 years	2.588
10-15 years	2.745
15-20 years	2.912
20-25 years	3.089
25-30 years	3.277
30-35 years	3.476
35-40 years	3.687
40-45 years	3.911
45-50 years	4.149
50-55 years	4.134
55-60 years	4.119
60-70 years	4.103
70-80 years	4.088
80-90 years	4.073
90-100 years	4.058
>100 years	4.043

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 orders a FT3 thyroid test, it involves a straightforward blood draw to measure your FT3 thyroid levels. A pathologist or lab technician will take a small sample of blood from a vein using a needle. Your FT3 thyroid test results are usually available within a few hours.