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|Alias Names:||Wellbutrin® / Zyban®|
|Methodology:||High-Performance Liquid Chromatography (HPLC)|
|Released:||1-5 days after setup at PeaceHealth Laboratories’ reference lab.|
|Specimen Collection Details|
|Collection:||One 5 mL red top tube. Do not use serum separator tube (SST) or plasma separator tube (PST. Also acceptable: One 4 mL lavender top tube (EDTA), 4 mL green top tube (sodium heparin), or 4 mL grey top tube (sodium fluoride/potassium oxalate).|
|Handling:||Allow to clot, centrifuge and separate serum or plasma from cells into a plastic vial. Freeze within 2 hours of collection. Critical frozen. Send separate specimen if multiple tests are ordered.|
|Stability:||30 days frozen. Unstable ambient or refrigerated.|
|Standard Volume:||2.5 mL serum or plasma.|
|Minimum Volume:||1.5 mL serum or plasma.|
|Transport:||Frozen, on dry ice.|
|Rejection Criteria:||Use of SST or PST; thawed, ambient, or refrigerated specimen.
This test may require insurance company prior authorization before ordering.
Please check the prior authorization list .
Failure to gain preauthorization may result in denial of coverage.
|The therapeutic range is not well established. Patient response appears to improve with concentrations between 50 and 100 ng/mL. Levels below 25 ng/mL may have no effect. Poor response and increased toxicity have been reported at concentrations above 100 ng/mL.|