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Methodology:Gas Chromatography (CG)
Edit Date:6/1/2009
Performed:Monday, Wednesday, Friday
Released:72 hours after setup at PeaceHealth Laboratories' reference lab.
CPT Code:82491-90
Specimen Collection Details
Collection:One 15 mL plain red top tube. Also acceptable: Plasma, any type. Do not use serum separator tube (SST) or plasma separator tube (PST).
Handling:Centrifuge and separate serum or plasma into a plastic vial. Wrap in foil to protect from light. Freeze.
Stability:7 days frozen. Unstable ambient or refrigerated.
Standard Volume:4 mL serum or plasma.
Minimum Volume:2 mL serum or plasma.
Rejection Criteria:Specimen not protected from light; specimen not frozen; specimen collected in SST or PST tube.
Reference Range:
Therapeutic: 1-100 ng/mL