ACTH (Adrenocorticotropic Hormone)

Preparation Do not take Biotin (Vitamin B7) for 8 hours prior to extraction Blood extraction should be performed between 7:00 AM and 10:00 AM unless specified otherwise by clinician What to Bring? Doctor’s lab request form Notes Strict morning schedule required...

Fasting Serum Insulin / C-Peptide

Preparation Fasting for 8 to 12 hours prior to blood draw Do not take Biotin (Vitamin B7) for 8 hours prior to extraction Plain water intake is acceptable What to Bring? Doctor’s lab request form Notes Biotin supplements interfere with assay...