Thyroxine, Free (FT4)

$13.98

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Product Description

Thyroxine, Free (Ft4)

Thyroxine (T4) is one of two major hormones produced by the thyroid gland. The other major thyroid hormone is called triiodothyronine (T3) and together they help control the rate at which the body uses energy.

A free T4 test may be ordered when a person has symptoms of hyperthyroidism or hypothyroidism, particularly if the TSH test is out of range.

Fasting Required: No

CPT Code:  84439


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