1 doctor weighed in:

What is normal range for TSH levels?

1 doctor weighed in
Dr. Gerard Honore
Fertility Medicine

In brief: Depends on lab, but

Depends alot on the lab you use: most run roughly from 0.
3 to about 5.0. But - this is important - most endocrinologists now consider anything above (roughly) 2.0-2.5 to be elevated, meaning an under-active thyroid. See your doctor for more specifics.

In brief: Depends on lab, but

Depends alot on the lab you use: most run roughly from 0.
3 to about 5.0. But - this is important - most endocrinologists now consider anything above (roughly) 2.0-2.5 to be elevated, meaning an under-active thyroid. See your doctor for more specifics.
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