Tests Included: 1
Est. 3-5 (business days) Turnaround
Specimen type: Blood
Quest Diagnostics Location
This test is used to help identify the cause of hyperthyroidism (overactive thyroid) and hypothyroidism (underactive thyroid). It is also used to monitor thyroid cancer treatment and to detect reappearance. This test is commonly ordered in conjunction with other thyroid tests - TSH, TPO, T3, T4
Tests Included: 1
Est. 3-5 (business days) Turnaround
Specimen type: Blood
Quest Diagnostics Location
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Please do not exercise prior to testing. It is best that your blood is taken in a rested state.
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.
Normal Range: ≤1 IU/mL
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