Free T3 and Free T4 Direct Dialysis Panel

The Free T3 and Free T4 Direct Dialysis Panel panel contains 2 tests with 2 biomarkers.

The T3, test is used to diagnose hyperthyroidism and to clarify thyroid status in the presence of a possible protein binding abnormality.  The T4, Free, Direct Dialysis test:  Free T4 by equilibrium dialysis is the most accurate measure of Free T4. Results are independent of the concentration of the T4-binding proteins, the presence of molecular variants of these proteins, or circulating autoantibodies. Free T4 is useful in distinguishing euthyroidism from thyroid disease.

The following is a list of what is included in the item above. Click the test(s) below to view what biomarkers are measured along with an explanation of what the biomarker is measuring.

Also known as: Free T3, FT3, T3 Free

T3, Free

This test measures the amount of triiodothyronine, or T3, in the blood.

Also known as: T4 Free Direct Dialysis

T4, Free, Direct Dialysis

*Process times are an estimate and are not guaranteed. The lab may need additional time due to weather, holidays, confirmation/repeat testing, or equipment maintenance.

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