Is TSH 3 5.21 high, normal or dangerous? What does Thyroid stimulating hormone level 5.21 mean?

📅 Medical Review Date: January 19, 2026

Your TSH 3 level of 5.21 is a High TSH 3 level.

High TSH 3 levels may indicate underlying health problems. The normal range is typically between 0.55 uIU/mL and 4.78 uIU/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 TSH 3 range for men is :0.55 - 4.78 uIU/mL

Ideal values of TSH 3 depending on age (male) :

Age	Ideal TSH 3 value
<5 years	0.579
5-10 years	0.609
10-15 years	0.641
15-20 years	0.674
20-25 years	0.709
25-30 years	0.746
30-35 years	0.785
35-40 years	0.826
40-45 years	0.869
45-50 years	0.914
50-55 years	0.962
55-60 years	1.012
60-70 years	1.065
70-80 years	1.12
80-90 years	1.178
90-100 years	1.239
>100 years	1.304

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

Get Advice via Email : Send us your blood test report, and our TSH 3 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 TSH 3, 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 TSH 3 levels include:

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

Receive world-class medical opinion about your high TSH 3 levels over email.Upload blood test report now

Normal range of TSH 3 found among women :0.55-4.78 uIU/mL

Ideal values of TSH 3 depending on age (female) :

Age	Ideal TSH 3 value
<5 years	0.58
5-10 years	0.611
10-15 years	0.644
15-20 years	0.679
20-25 years	0.715
25-30 years	0.753
30-35 years	0.793
35-40 years	0.836
40-45 years	0.881
45-50 years	0.928
50-55 years	0.978
55-60 years	1.03
60-70 years	1.085
70-80 years	1.143
80-90 years	1.204
90-100 years	1.269
>100 years	1.337

If you take a TSH 3 blood test and the results are not in the normal range (0.55-4.78 uIU/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 TSH 3 Test Is Done :

When your doctor orders a TSH 3 test, it involves a straightforward blood draw to measure your TSH 3 levels. A pathologist or lab technician will take a small sample of blood from a vein using a needle. Your TSH 3 test results are usually available within a few hours.

Medical References

• MedlinePlus – TSH (Thyroid-stimulating hormone) Test
• Cleveland Clinic – TSH (Thyroid-Stimulating Hormone) Levels: Symptoms
• Mayo Clinic – Hypothyroidism (underactive thyroid) - Diagnosis and treatment
• NIH – Thyroid Tests
• NIH – How to interpret thyroid function tests