Thyroid Checkup
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since 2005
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Total Thyroid Checkup (Quest Diagnostics)
Same day lab order delivery
Significant deviations from the normal range may require further evaluation by your physician.
Reverse T3, LC/MS/MS
Thyroid Profile w/ TSH: T3 Uptake; T4 (Thyroxine), Total; Free T4 Index (T7); Thyroid-Stimulating Hormone (TSH)
Thyroxine Free, Direct Dialysis (FT4)
Tri-iodothyronine (T3) Total
Tri-iodothyronine Free (FT3)
Thyroid Profile w/ TSH: T3 Uptake; T4 (Thyroxine), Total; Free T4 Index (T7); Thyroid-Stimulating Hormone (TSH)
Thyroxine Free, Direct Dialysis (FT4)
Tri-iodothyronine (T3) Total
Tri-iodothyronine Free (FT3)
Samples should not be collected during or soon after the administration of Heparin.
Estimated turnaround for results is 8 business days. If confirmation testing is required, the estimated time may be extended.
Total Thyroid Checkup (LabCorp)
Same day lab order delivery
Significant deviations from the normal range may require further evaluation by your physician.
Reverse T3
Thyroid Profile II (Comprehensive): Free thyroxine index (FTI or T7); T3 uptake (THBR); thyroid-stimulating hormone (TSH); thyroxine (T4), Total; tri-iodothyronine (T3), Total
Thyroxine Free, Direct (FT4)
Tri-iodothyronine Free, Serum (FT3)
Estimated turnaround for results is 5 business days. If confirmation testing is required, the estimated time may be extended.
Thyroid Profile II (Comprehensive): Free thyroxine index (FTI or T7); T3 uptake (THBR); thyroid-stimulating hormone (TSH); thyroxine (T4), Total; tri-iodothyronine (T3), Total
Thyroxine Free, Direct (FT4)
Tri-iodothyronine Free, Serum (FT3)
Estimated turnaround for results is 5 business days. If confirmation testing is required, the estimated time may be extended.
This test may exhibit interference when sample is collected from a person who is consuming a supplement with a high dose of biotin (also termed as vitamin B7 or B8, vitamin H or coenzyme R). It is recommended to stop biotin consumption at least 72 hours prior to the collection of specimen.