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Alias Names:Aventyl / Pamelor / Allegron / Noritren / Norpress / Nortrilen / Sensoval
Methodology:High Performance Liquid Chromatography / Tandem Mass Spectrometry (HPLC/MS/MS)
Edit Date:11/16/2010
Released:24-48 hours after setup at PeaceHealth Laboratories’ reference lab
CPT Code:80182-90
Specimen Collection Details
Collection:One 5 mL red top tube. Also acceptable: 4 mL lavender top tube (EDTA), 2 mL grey top tube (potassium oxalate/sodium fluoride) or 4 mL green top tube (heparin). Avoid use of serum separator tube (SST) and gel barrier tube.
Handling:Allow to clot, centrifuge and separate serum and plasma from cells into a plastic vial. Refrigerate. If gel separator is used, separate serum or plasma from gel within 2 hours of collection. Do not refrigerate on gel separator.
Stability:5 days ambient, 14 days refrigerated, or 6 months frozen.
Standard Volume:2 mL serum or plasma.
Minimum Volume:0.6 mL serum or plasma.
Comments:Do not order if amitriptyline is administered. Order instead Amitriptyline/Nortriptyline (Elavil) (86840)
Rejection Criteria:Specimen collected and stored in a gel separator tube for more than 2 hours ambient or for more than 30 minutes refrigerated.
Reference Range:
Therapeutic 50-150 ng/mL
Toxic >500 ng/mL