Is FT4 thyroid 1.56 normal, high or low? What does Free thyroxine level 1.56 mean?

Your FT4 thyroid level of 1.56 is a Normal FT4 thyroid level.

Normal FT4 thyroid levels could indicate health issues. Typically, levels between 0.89 ng/dL to 1.76 ng/dL suggest no concerns. However, deviations from this range warrant prompt medical attention. Consulting a doctor for abnormal levels is advisable.

Normal range of FT4 thyroid found among men :0.89 - 1.76 ng/dL

Ideal values of FT4 thyroid depending on age (male) :

Age	Ideal FT4 thyroid value
<5 years	0.90388
5-10 years	0.91798
10-15 years	0.9323
15-20 years	0.94684
20-25 years	0.96161
25-30 years	0.97661
30-35 years	0.99185
35-40 years	1.00732
40-45 years	1.02303
45-50 years	1.03899
50-55 years	1.0552
55-60 years	1.07166
60-70 years	1.08838
70-80 years	1.10536
80-90 years	1.1226
90-100 years	1.14011
>100 years	1.1579

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

Get Advice via Email : Send us your blood test report, and our FT4 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 FT4 thyroid, please upload those too. A thorough diagnosis often relies on assessing all abnormalities for an accurate assessment. Upload blood test report now

1,37,160

Total number of patients treated

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

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

Normal range of FT4 thyroid found among women :0.89-1.76 ng/dL

Ideal values of FT4 thyroid depending on age (female) :

Age	Ideal FT4 thyroid value
<5 years	0.9043
5-10 years	0.91883
10-15 years	0.93359
15-20 years	0.94859
20-25 years	0.96383
25-30 years	0.97932
30-35 years	0.99506
35-40 years	1.01105
40-45 years	1.0273
45-50 years	1.04381
50-55 years	1.06058
55-60 years	1.07762
60-70 years	1.09494
70-80 years	1.11253
80-90 years	1.13041
90-100 years	1.14857
>100 years	1.16703

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.

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How the FT4 thyroid Test Is Done :

When your doctor recommends a FT4 thyroid test, you'll likely undergo a simple blood draw specifically targeting the measurement of FT4 thyroid. A pathologist, a specialist in studying diseases, will collect a small blood sample from your veins using a needle. Your FT4 thyroid test results will typically be available within a few hours after this procedure.