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How To Read Thyroid Lab Results. On the other hand if your thyroid is overactive your tsh goes lower to help slow things down. How to interpret your results. The normal range for free t4 is between 0 8 2 8 ng dl. The tsh works by getting the thyroid to grow additional cells.
A low tsh and low t4 suggest secondary hypothyroidism due to a disease of the pituitary gland or hypothalamus of the brain. How to use lab results for medication adjustments. In other words if the tsh is raised but the free t4 is low then this can indicate a primary form of thyroid gland malfunction or primary. T4 is the most commonly measured hormone that is produced directly by the thyroid gland and is subsequently released to circulate throughout the body. The ultimate thyroid testing protocol is the first step to getting the answers you need to start testing and overcoming your hypothyroidism. How to interpret your results.
The normal range for free t4 is between 0 8 2 8 ng dl.
The top thyroid tests i recommend. The ultimate thyroid testing protocol is the first step to getting the answers you need to start testing and overcoming your hypothyroidism. The more underactive your thyroid the higher the tsh goes. Testing thyroid hormone levels is the first step in diagnosing a thyroid disorder and determining the appropriate course of treatment. A low tsh and low t4 suggest secondary hypothyroidism due to a disease of the pituitary gland or hypothalamus of the brain. The normal range for free t4 is between 0 8 2 8 ng dl.