The patient in the above case is taking a high dosed biotin supplement and had tests of concern. Her low TSH and high T4 could be associated with biotin use, especially if she does not have any symptoms of hypothyroidism. She should be counseled to hold biotin prior to labs as well as...
| auditmicro | aurion | ausgenex | austral biologicals and biogenesis ltd | australbiologicals | autogenbioclear | avanti | avanti lipids | avanti polar | avanti polar lipids | avantilipids | Avantor J.T.Baker | Avantor Macron | aves labs | Aves Labs, Inc. | aveslab | avidity | aviscera...
(0.16-2.05) EIA; 0.40 (0.35-2.9) LCMS S Cortisol 5.92 ug/dl (6-18) ECLIA; 5.45 (5-23) LCMS FSH 2.74; LH 6.07; Prolactin 20.1 ng/mL (4.7-23.3) T3 114 ng/dL; T4 7.2 g/dL; TSH 1.29 Diagnosis Falsely elevated total testosterone (and free testosterone) levels due to biotin ...