Is TSH 3 3.42 normal, high or low? What does Thyroid stimulating hormone level 3.42 mean?

📅 Medical Review Date: October 29, 2025

Your TSH 3 level of 3.42 is a Normal TSH 3 level.

Normal 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	0.569
5-10 years	0.588
10-15 years	0.608
15-20 years	0.629
20-25 years	0.651
25-30 years	0.673
30-35 years	0.696
35-40 years	0.72
40-45 years	0.745
45-50 years	0.77
50-55 years	0.796
55-60 years	0.823
60-70 years	0.851
70-80 years	0.88
80-90 years	0.91
90-100 years	0.941
>100 years	0.973

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

Misdiagnosis is more common than people think—and the consequences can be serious. Delayed treatment, unnecessary medication, or worse. If you want a second opinion on your blood work, one option is to upload it to a site like wholebodyprotocol.com, where world-class doctors review your results. They charge a small fee—around $90 (though you'll want to check the latest price as it fluctuates)—and email you a detailed report. With over 12 million people affected by misdiagnosis every year, that little bit of extra peace of mind can go a long way.

Some examples of conditions that increase or decrease TSH 3 levels include:

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

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	0.569
5-10 years	0.589
10-15 years	0.61
15-20 years	0.631
20-25 years	0.653
25-30 years	0.676
30-35 years	0.7
35-40 years	0.725
40-45 years	0.751
45-50 years	0.777
50-55 years	0.804
55-60 years	0.832
60-70 years	0.861
70-80 years	0.891
80-90 years	0.922
90-100 years	0.954
>100 years	0.988

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