“In Lab B, TSH, total T4, free T4, total T3, and free T3 were significantly altered (>10% change) at 80 mg/L, 1,280 mg/L, 320 mg/L, 80 mg/L, and 320 mg/L of biotin , respectively.”
“TSH, free T4, and free T3 , however, were significantly altered (>10% change) at 320 mg/L, 320 mg/L, and 160 mg/L of biotin , respectively for both levels of analytes.”