Dietary supplements containing biotin may interfere in assays and may skew results to be either falsely high or falsely low. For patients receiving the recommended daily doses of biotin, draw samples at least 8 hours following the last biotin supplementation. For patients on mega-doses of biotin supplements, draw samples at least 72 hours following the last biotin supplementation.
Administration of STRENSIQ may interfere in certain assays and may falsely elevate values. For patients receiving STRENSIQ, consideration should be given to using alternate methods.
For patients on mega-doses of biotin supplements, draw samples at least 72 hours following the last biotin supplementation.
* This volume does not allow for repeat testing
Transport
Intact Thyroid: 2.8 - 40.9 ng/mL
Athrotic: < 0.1 ng/mL
Note: Abnormal flagging is based upon the reference interval for patients with intact thyroid
Samples containing Thyroglobulin Antibodies could interfere in the determination of Thyroglobulin. Please interpret results with caution.
1 to 2 days
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