2 doctors weighed in:
What is a normal level for thyroid?
2 doctors weighed in

Dr. James Cunnar
Family Medicine
1 doctor agrees
In brief: Lab dependent
Each lab has slightly different reference ranges for each test.
If you are asking about the TSH test, usually range is 0.4-4.0. Borderline high (for me) is 4.0-8.0, and above 8.0, i usually will treat or adjust the patients thyroid replacement.

In brief: Lab dependent
Each lab has slightly different reference ranges for each test.
If you are asking about the TSH test, usually range is 0.4-4.0. Borderline high (for me) is 4.0-8.0, and above 8.0, i usually will treat or adjust the patients thyroid replacement.
Dr. James Cunnar
Dr. James Cunnar
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