Drug Monitoring, Zolpidem, Quantitative, Urine

Test Code

DMZOL

Alias/See Also

39435

CPT Codes
80368 (HCPCS: G0480)

Includes

If you require medMATCH for this order code, you must also order code 39158 - Prescribed Drugs, medMATCH®. If 39158 is ordered, all Drug Monitoring order codes will be treated as medMATCH.

If this test code is not ordered with 39158, all medMATCH result codes will be DNR’d.
.
Zolpidem and Zolpidem Metabolite

Preferred Specimen

3 mL random urine collected in plastic, preservative-free leak-proof container

Minimum Volume

2 mL

Transport Temperature

Room temperature

Specimen Stability

Room temperature: 7 days
Refrigerated: 30 days
Frozen: 30 days

Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)

Preserved samples • Samples other than urine

Methodology
Chromatography/Mass Spectrometry

FDA Status
This test was developed and its analytical performance characteristics have been determined by Quest Diagnostics. It has not been cleared or approved by FDA. This assay has been validated pursuant to the CLIA regulations and is used for clinical purposes.

Setup Schedule

Tuesday-Saturday Evening Report available: 2 Days after receipt at the performing laboratory. Add two (2) days for transport.

Reference Range

Zolpidem	<5 ng/mL
Zolpidem Metabolite	<5 ng/mL

Clinical Significance

Zolpidem is used to treat patients with insomnia. This test is used to detect the presence of the drug as a therapeutic drug monitoring and to aide clinicians with the drug's dosage effectiveness.

Performing Laboratory
Quest Diagnostics Nichols Institute
14225 Newbrook Drive
Chantilly, VA 20153

Last Updated: June 22, 2023

The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.