Is FT4 thyroid 1.64 normal, high or low? What does Free thyroxine level 1.64 mean?
Your FT4 thyroid level of 1.64 is a Normal FT4 thyroid level.
High levels of FT4 thyroid in the blood indicate a variety of health problems. If your blood FT4 thyroid level is between 0.89 ng/dL and 1.76 ng/dL, you probably do not have an underlying health problem. But if FT4 thyroid levels are not in this range, you should see a doctor immediately.
Important - Go to the end of this article and read how our patients treated their normal FT4 thyroid levels
Normal range of FT4 thyroid found among men : 0.89 - 1.76 ng/dL
| Age | Ideal FT4 thyroid value |
|---|---|
| <5 years | 0.9046 |
| 5-10 years | 0.91944 |
| 10-15 years | 0.93452 |
| 15-20 years | 0.94985 |
| 20-25 years | 0.96543 |
| 25-30 years | 0.98126 |
| 30-35 years | 0.99735 |
| 35-40 years | 1.01371 |
| 40-45 years | 1.03033 |
| 45-50 years | 1.04723 |
| 50-55 years | 1.0644 |
| 55-60 years | 1.08186 |
| 60-70 years | 1.0996 |
| 70-80 years | 1.11763 |
| 80-90 years | 1.13596 |
| 90-100 years | 1.15459 |
| >100 years | 1.17353 |
*Ideal values are calculated based on our database of patient records
A video message on the treatment of your normal FT4 thyroid level
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
Click here to know Symptoms of Low FT4 thyroid
Besides Lab test failures, there are many other reasons for inaccurate blood results. Know the common reasons for inaccurate blood test results
Normal range of FT4 thyroid found among women : 0.89-1.76 ng/dL
| Age | Ideal FT4 thyroid value |
|---|---|
| <5 years | 0.90503 |
| 5-10 years | 0.92032 |
| 10-15 years | 0.93587 |
| 15-20 years | 0.95168 |
| 20-25 years | 0.96776 |
| 25-30 years | 0.98411 |
| 30-35 years | 1.00073 |
| 35-40 years | 1.01763 |
| 40-45 years | 1.03482 |
| 45-50 years | 1.0523 |
| 50-55 years | 1.07008 |
| 55-60 years | 1.08816 |
| 60-70 years | 1.10654 |
| 70-80 years | 1.12523 |
| 80-90 years | 1.14424 |
| 90-100 years | 1.16357 |
| >100 years | 1.18323 |
Click here to know Symptoms of Low FT4 thyroid
Click here to upload your blood test report
If you take a FT4 thyroid blood test and the results are not in the normal range (0.89-1.76 ng/dL), 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.
Some examples of conditions that increase or decrease FT4 thyroid levels include:
- Autoimmune disease
- A non-functioning thyroid gland
- Thyroiditis
- Diabetes
- Liver disease
Receive world-class medical opinion about your normal FT4 thyroid levels over email. Upload blood test report now
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How the FT4 thyroid Test Is Done :
If your doctor wants FT4 thyroid test on you, you may need a FT4 thyroid blood test. During the FT4 thyroid blood test, 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 Test report by your pathologist.
Click here to upload your blood test report
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