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Home > All Tests > T4 Free (FT4)

T4 Free (FT4)

Total reviews 27

$50.00

Total reviews 27


  • Tests Included:

  • Est. 3-5 (business days) Turnaround

  • Specimen type:

  • Lab 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.
$50.00

  • Tests Included:

  • Est. 3-5 (business days) Turnaround

  • Specimen type:

  • Lab Location

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T4 Free (FT4)

  • Test Code: 866
  • CPT Code: 84439
  • Alternate Name: N/A
  • Test Instructions : None Required

    Please do not exercise prior to testing. It is best that your blood is taken in a rested state.

  • Fasting: N/A
  • Methodology: Immunoassay (IA)
  • Results In: 3-5

    Note: Turn around times on results are an estimate and are not guaranteed. The lab may need additional time due to holidays, confirmation/repeat testing, etc. You can contact us to discuss when your results should be ready and we will contact the lab on your behalf immediately.

$50.00

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