Is FT4 thyroid 1.44 normal, high or low? What does Free thyroxine level 1.44 mean?

📅 Medical Review Date: September 15, 2025

Your FT4 thyroid level of 1.44 is a Normal FT4 thyroid level.

Normal FT4 thyroid levels may indicate underlying health problems. The normal range is typically between 0.89 ng/dL and 1.76 ng/dL. 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 FT4 thyroid range for men is :0.89 - 1.76 ng/dL

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

Age	Ideal FT4 thyroid value
<5 years	0.903
5-10 years	0.916
10-15 years	0.929
15-20 years	0.942
20-25 years	0.956
25-30 years	0.97
30-35 years	0.984
35-40 years	0.998
40-45 years	1.012
45-50 years	1.027
50-55 years	1.042
55-60 years	1.057
60-70 years	1.072
70-80 years	1.087
80-90 years	1.103
90-100 years	1.119
>100 years	1.135

*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 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 FT4 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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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	0.903
5-10 years	0.916
10-15 years	0.93
15-20 years	0.944
20-25 years	0.958
25-30 years	0.972
30-35 years	0.986
35-40 years	1.001
40-45 years	1.016
45-50 years	1.031
50-55 years	1.046
55-60 years	1.062
60-70 years	1.078
70-80 years	1.094
80-90 years	1.11
90-100 years	1.126
>100 years	1.143

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 orders a FT4 thyroid test, it involves a straightforward blood draw to measure your FT4 thyroid levels. A pathologist or lab technician will take a small sample of blood from a vein using a needle. Your FT4 thyroid test results are usually available within a few hours.

Medical References

• MedlinePlus – Thyroxine (T4) Test
• Cleveland Clinic – T4 (Thyroxine) Test: What It Is, Function, Purpose & Levels
• MedlinePlus – Free T4 test
• WebMD – What Is a Thyroxine (T4) Blood Test?
• Mayo Clinic – Hypothyroidism (underactive thyroid) - Diagnosis and treatment