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Test Code METHQ / UCMTH-MC DRUGS OF ABUSE, METHADONE, QUANTITATIVE, URINE

Additional Codes

Software Test Code
SoftID METHQ
EPIC LAB10959
Michigan UCMTH

Performing Laboratory

Michigan Co-Tenancy Laboratory at Warde Medical Laboratory (MCL)

Useful For

Compliance monitoring of methadone therapy in patients being treated for heroin addictions

Method Name

Gas Chromatography-Mass Spectrometry (GC-MS)

Reference Values

Negative

GC-MS cutoff concentration:

Methadone: <100 ng/mL

EDDP (major metabolite): <100 ng/mL

Days and Times Test Performed

Monday through Friday

Report Available

1-2 Days

Specimen Type

Urine, Random

Preferred Container

Screw-Capped Plastic Container

Preferred Volume

Urine, Random: 10 mL (Screw-Capped Plastic Container)

Minimum Volume

Urine, Random: 3 mL (Screw-Capped Plastic Container)

Specimen Collection and Handling

1. Collect random urine.

2. Mix well and send urine refrigerated in a screw-capped plastic container.

Click here to view the Urine Aliquoting Guide for Processing

Rejection Information

Urine catheter cup (with needle)

Specimen Stability Information

Specimen Type: Urine, Random

Refrigerated: 14 Days

Room Temp: 48 Hours

Add On Capable

Contact Reference Lab – If add-on can never be done, report the test to the Administrative Analyst

Advance Beneficiary Notice Requirements

No ABN Required

CPT Code Information

CPT Code

CPT Description

CPT Disclaimer

80358 Methadone (Definitive), Quantitative
G0480 Drug Test (Definitive), 1-7 Classes Government Payers, if Applicable
G0481 Drug Test (Definitive), 8-14 Classes Government Payers, if Applicable
G0482 Drug Test (Definitive), 15-21 Classes Government Payers, if Applicable
G0483 Drug Test (Definitive), 22+ Classes Government Payers, if Applicable

LOINC Code Information

16246-1

2161-8

58429-2

58715-4

Performing Laboratory Location

Michigan Co-Tenancy Laboratory at Warde Medical Laboratory (MCL)