ARUP's Laboratory Test Directory

Methadone and Metabolite - Confirmation/Quantitation - Urine : 0090362

Mnemonic: CDCO METH

Methodology: Quantitative Liquid Chromatography-Tandem Mass Spectrometry
Performed: Sun-Sat
Reported: 1-4 days
Specimen Required: Collect: Random urine.

Specimen Preparation: Transfer 4 mL with no additives or preservatives urine to an ARUP Standard Transport Tube. (Min: 1 mL)

Storage/Transport Temperature: Room temperature.

Unacceptable Conditions: Specimens exposed to repeated freeze/thaw cycles.

Stability (collection to initiation of testing): Ambient: 1 week; Refrigerated: 1 month; Frozen: 3 years

Interpretive Data: Methodology: LC-MS/MS

Drugs covered:
Methadone and EDDP.

Positive cutoff:
10 ng/mL

For medical purposes only; not valid for forensic use.

The 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.
CPT Code(s): 83840
Cross References: Amidone (Drugs of Abuse Confirmation/Quantitation - Methadone & Metabolite - Urine), Dolophine (Drugs of Abuse Confirmation/Quantitation - Methadone & Metabolite - Urine), EDDP (Drugs of Abuse Confirmation/Quantitation - Methadone & Metabolite - Urine), Heptadon (Drugs of Abuse Confirmation/Quantitation - Methadone & Metabolite - Urine), Methadone (Drugs of Abuse Confirmation/Quantitation - Methadone & Metabolite - Urine), Methadose (Drugs of Abuse Confirmation/Quantitation - Methadone & Metabolite - Urine), Pain Management (Drugs of Abuse Confirmation/Quantitation - Methadone & Metabolite - Urine), Pain Management, Methadone, Quantitative, w/ medMATCH, Urine (Drugs of Abuse Confirmation/Quantitation - Methadone & Metabolite - Urine) , Pain Management, Methadone, w/ Confirmation w/medMATCH, Urine (Drugs of Abuse Confirmation/Quantitation - Methadone & Metabolite - Urine) , Physeptone (Drugs of Abuse Confirmation/Quantitation - Methadone & Metabolite - Urine), Symoron (Drugs of Abuse Confirmation/Quantitation - Methadone & Metabolite - Urine)