Ordering Recommendation

Optimize drug therapy and monitor patient adherence.

Mnemonic
ZOLPID SP
Methodology

Quantitative Liquid Chromatography-Tandem Mass Spectrometry

Performed

Tue, Fri

Reported

1-5 days

New York DOH Approval Status
This test is New York DOH approved.
Specimen Required
Patient Preparation
Collect

Gray (sodium fluoride/potassium oxalate). Also acceptable: Plain red, green (sodium heparin), lavender (EDTA), or pink (K2EDTA).

Specimen Preparation

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)

Storage/Transport Temperature

Room temperature.

Unacceptable Conditions

Gel Separator tubes. Plasma or whole blood collected in lt. blue (sodium citrate). Hemolyzed specimens.

Remarks
Stability

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.

Compliance Category

Laboratory Developed Test (LDT)

Note
Hotline History
N/A
CPT Codes

80368 (Alt code: G0480)

Components
Component Test Code* Component Chart Name LOINC
2012653 Zolpidem, S/P, Quant
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, please click the sidebar link to access the Interface Map.
Aliases
Zolpidem, Serum or Plasma, Quantitative