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T4 Free (FT4) Blood Test

Total reviews 204

Sample Report

$63.00 $42.00

Total reviews 204


Sample Report

  • Tests Included: 1

  • Est. 3 days Turnaround

  • Specimen type: Blood

  • Quest Diagnostics Location

Most of the T4 in your body is bonded to protein, and a smaller portion (free) has not. This is why there is a free T4 test and a total T4 test. A free T4 test is usually preferred because from this test you can see how much is available for the body to use. This test can be ordered if a TSH has come back abnormal. Pregnancy can also affect your T4 levels.

  • Tests Included: 1

  • Est. 3 days Turnaround

  • Specimen type: Blood

$63.00 $42.00

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