Barbiturates, Serum or Plasma, Quantitative BARQNT
Method(s) | Quantitative Gas Chromatography-Mass Spectrometry/Quantitative Liquid Chromatography-Tandem Mass Spectrometry | ||||||||
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Specimen Required | |||||||||
Collect | One 5 mL gray (sodium fluoride/potassium oxalate) top tube. Also acceptable: Plain red, green (sodium heparin), lavender (EDTA), or pink (K2EDTA) top tubes. |
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Transport | 3.5 mL serum or plasma at 2-8°C. (Min: 1.5 mL) | ||||||||
Stability | After separation from cells: Ambient: 1 week; Refrigerated: 2 weeks; Frozen: 3 years | ||||||||
Unacceptable Conditions | Separator tubes. Plasma or whole blood collected in light blue (sodium citrate) top tubes. Specimens exposed to repeated freeze/thaw cycles. |
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Schedule | Tue, Thu, Sat | ||||||||
Billing Code | 5011607 | ||||||||
CPTCode | 80345 (Alt Ccode: G0480) | ||||||||
Preferred Specimen Collection Device(s) | |||||||||
Reference Interval | |||||||||
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