Drugs of Abuse Confirmation/Quantitation - Methadone & Metabolite - Urine

Test Code

3527

Alias/See Also

Methadone & Metabolite Confirmation/Quantitation, Urine; EDDP, Confirmation/Quantitation, Urine; Dolophine, Confirmation/Quantitation, Urine; Methadone, Confirmation/Quantitation, Urine; Symoron, Confirmation/Quantitation, Urine; Physeptone, Confirmation/Quantitation, Urine; Heptadon, Confirmation/Quantitation, Urine; Methadose, Confirmation/Quantitation, Urine; Amidone, Confirmation/Quantitation, Urine

Preferred Specimen

Random urine.

Minimum Volume

5 mL urine with no additives or preservatives at 20-25°C. (Min: 2 mL) Submit specimen in an ARUP Standard Transport Tube

Transport Temperature

5 mL urine with no additives or preservatives at 20-25°C. (Min: 2 mL) Submit specimen in an ARUP Standard Transport Tube

Specimen Stability

Ambient: 1 week; Refrigerated: 1 month; Frozen: 3 years

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

Specimens exposed to repeated freeze/thaw cycles.

Methodology
Liquid Chromatography-Tandem Mass Spectrometry

Setup Schedule

Sun-Sat

Report Available

1-4 days

Clinical Significance

Drugs covered: methadone and metabolite (EDDP). Positive cutoff: 10 ng/mLThe absence of expected drug(s) and/or drug metabolite(s) 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. For medical purposes only; not valid for forensic 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.