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Different labs have different values for what is normal.
For example, at the lab my doctor uses, the normal range is .5 to 5.5. A TSH of less than .5 is considered hyPERthyroid, and a TSH of more than 5.5 is considered hyPOthyroid. Other labs might use .35 to 5, or .6 to 5.2, etc., but it's important for you to know the values at YOUR lab. So, you need to know what TSH level your doctor is targeting for you. This is a very loaded, but VERY important question.