Turnaround Time: Within 1 day
CPT Code:

82607; 82728; 82746; 83540; 83550; 85025; 85045

Test Type: 4 mL serum and 7 mL whole blood


Collection Details:

Collection Instructions:

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 ask all patients who may be indicated for this test about biotin supplementation. Patients should be cautioned to stop biotin consumption at least 72 hours prior to the collection of a sample.

Gel-barrier tube or transport tube and lavender-top (EDTA) tube.

Maintain serum and EDTA whole blood at room temperature.