Patient should discontinue taking Biotin, Vitamin B7, or Vitamin H 48 hours before getting blood drawn.
* This volume does not allow for repeat testing
Male: 2 - 18 ng/mL
Female
Non-Pregnant: 3 - 30 ng/mL
Pregnant: 10 - 209 ng/mL
Post Menopausal: 2 - 20 ng/mL
Patients taking vitamin supplements containing doses of > 5 mg/day may have falsely decreased test results generated.
Same day/next day
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