12 hours Fasting
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 tubes and separate from cells within 2 hours
2.6 - 24.9 µU/mL
Patients taking vitamin supplements containing doses of >5 mg/day may have falsely decreased test results generated.
Same day/next day
01423525
83525