No special preparation is needed for Diazepam. Inform your doctor if you are on any medications or have any underlying medical conditions or allergies before undergoing Diazepam. Your doctor depending on your condition will give specific instructions.
Diazepam is done using High Pressure Liquid Chromatography method on a Blood sample.
The normal result for Diazepam for Diazepam is 200 - 2500ng/ml for Unisex gender and for All age groups.