Drug Monitoring, Naltrexone, Quantitative, Urine

Test Code

39414

CPT Codes
80362 (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.
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Naltrexone and 6-Beta Naltrexol

Preferred Specimen

3 mL urine collected in a clinical drug test transport vial

Minimum Volume

2 mL

Other Acceptable Specimens

Urine collected in urine collection container

Transport Temperature

Room temperature

Specimen Stability

Room temperature: 5 days
Refrigerated: 7 days
Frozen: 30 days

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

Preserved 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

Set up: Mon-Sat; Report available: 3 days

Reference Range

Naltrexone	<5 ng/mL
6-Beta Naltrexol	<5 ng/mL

Clinical Significance

Naltrexone (opioid antagonist) is used to treat alcohol and opioid dependence. This new test provides an option for compliance monitoring for naltrexone use.

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.