Methadone and Metabolite, Urine

Test Code

15714

CPT Codes
80358, (G0480)

Includes

Methadone and EDDP

Preferred Specimen

4 mL urine collected in a sterile leak-proof container

Minimum Volume

2 mL

Transport Temperature

Room temperature

Specimen Stability

Room temperature: 7 days
Refrigerated: 14 days
Frozen: 30 days

Methodology
Mass Spectrometry (MS)

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 the U.S. Food and Drug Administration. This assay has been validated pursuant to the CLIA regulations and is used for clinical purposes.

Setup Schedule

Set up: Mon-Sat; Report available: Next day

Reference Range

See Laboratory Report

Clinical Significance

Methadone is used in the detoxification and maintenance programs for physical dependence on narcotics. The analysis for methadone is useful in the determination of compliance with maintenance program prescriptions, and in the determination of dose effectiveness.

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.