Patient should discontinue taking Biotin, Vitamin B7, or Vitamin H 48 hours before getting blood drawn.
* This volume does not allow for repeat testing
Centrifuge and separte from specimens stable within 24 hours of collection
0.0 - 6.5 ng/mL
Patients taking vitamin supplements containing doses of >5 mg/day may have falsely decreased test results generated.
Same Day/1 to 2 days
01489169
82378