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Methadone, Urine
MessageThis test is ordered as part of a Urine Drug Screen (UDS) or can be ordered as individual test
Performed in the Chemistry department x5820
09.2018
Performed in the Chemistry department x5820
09.2018
Test Code
UMETH
Alias/See Also
UDS
CPT Codes
80101
Preferred Specimen
Greater than 100 mL of fresh urine
Minimum Volume
10 mL
Instructions
Freshly collected specimens are used for testing.
Transport Container
Sterile, screw cap cup
Transport Temperature
Room Temperature
Specimen Stability
2 - 8 oC: 5 days
When testing is complete, the urine specimen is frozen for 30 days pending further requests for analysis.
When testing is complete, the urine specimen is frozen for 30 days pending further requests for analysis.
Methodology
Enzyme immunoassay
Setup Schedule
This assay is performed 24 hours per day, 7 days per week
Limitations
These unconfirmed screening results are to be used for medical purposes only.
Cut-off concentration for a positive result is ≥ 300 ng/mL.
Cut-off concentration for a positive result is ≥ 300 ng/mL.
Reference Range
Not Detected
Clinical Significance
This test is used in the diagnosis and treatment of methadone use and overdose, and in the monitoring the presence of methadone to ensure appropriate therapy.
