No special preparation is needed for Meperidine. Inform your doctor if you are on any medications or have any underlying medical conditions or allergies before undergoing Meperidine. Your doctor depending on your condition will give specific instructions.
Meperidine is done using Mass Spectrometry method on a Blood sample.
The normal result for Meperidine for Meperidine is < 2 ng/ml for Unisex gender and for All age groups.