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Zolpidem, Serum or Plasma, Quantitative
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Ordering Recommendation
Optimize drug therapy and monitor patient adherence.
Mnemonic
Methodology
Quantitative Liquid Chromatography-Tandem Mass Spectrometry
Performed
Tue, Fri
Reported
1-5 days
New York DOH Approval Status
Specimen Required
Gray (sodium fluoride/potassium oxalate). Also acceptable: Plain red, green (sodium heparin), lavender (EDTA), or pink (K2EDTA).
Separate serum or plasma from cells ASAP or within 2 hours of collection. Transfer 2 mL serum or plasma to an ARUP Standard Transport Tube. (Min: 1 mL)
Room temperature.
Gel Separator tubes. Plasma or whole blood collected in lt. blue (sodium citrate). Hemolyzed specimens.
After separation from cells: Ambient: 1 week; Refrigerated: 1 month; Frozen: 3 years (Avoid repeated freeze/thaw cycles)
Reference Interval
Interpretive Data
Methodology: Quantitative Liquid Chromatography-Tandem Mass Spectrometry
Drugs covered: zolpidem
Positive cutoff: 20 ng/mL
For medical purposes only; not valid for forensic use.
The absence of expected drug may indicate non-compliance, inappropriate timing of specimen collection relative to drug administration, poor drug absorption, diluted/adulterated urine, or limitations of testing. The concentration value must be greater than or equal to the cutoff to be reported as positive. Interpretive questions should be directed to the laboratory.
This test was developed and its performance characteristics determined by ARUP Laboratories. It has not been cleared or approved by the US Food and Drug Administration. This test was performed in a CLIA certified laboratory and is intended for clinical purposes.
Laboratory Developed Test (LDT)
Note
Hotline History
CPT Codes
80368 (Alt code: G0480)
Components
| Component Test Code* | Component Chart Name | LOINC |
|---|---|---|
| 2012653 | Zolpidem, S/P, Quant |
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