T3 Uptake Blood Test

$36.00 $24.00
Decreased: Pregnancy, estrogens, hyperproteinemia, acute intermittent porphyria. Increased: Androgens, hyperproteinemia, stress, acute liver disease. This assay is a measure of available thyroid hormone binding sites and should be interpreted with thyroxine levels.
  • Tests Included:

  • Est. 1 day Turnaround

  • Specimen type:

T3 Uptake
  • Test Code: 861
  • CPT Code: 84479
  • Alternate Name: Resin Uptake,Triiodothyronine, Resin Uptake (T3),T3 Index,T3RU,T3 Resin Uptake,T3 (Triiodothyronine),Hanolsky Uptake Test, T3RU
  • Test Instructions : --

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

  • Fasting: No
  • Methodology: Immunoassay (IA)
  • Results In: 1

    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.

Measuring the levels of proteins that carry thyroid hormone in the blood
  • Step 1

    Your Tests

    Doctor’s order provided & Same Day Testing.

  • Step 2

    Go to
    Local Lab

    Your specimen will be collected for you at a local testing center.

  • Step 3


    Results sent electronically in 2-3 days* More complex tests take longer.

  • Step 4

    Better Decisions

    Use your lab results to help make better health decisions. Knowledge is nothing if it isn’t used.


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