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Alfentanil
Test Code9103U
Alias/See Also
alfenta
CPT Codes
83925
Preferred Specimen
urine
Minimum Volume
1.2 ml
Transport Container
Plastic urine container without preservative
Transport Temperature
Maintain specimen at room temperature. Room temperature is acceptable for shipping and/or short-term storage (three days); specimens may also be refrigerated or frozen. Stable at room temperature for three days. Stable refrigerated for two weeks and froze
Methodology
Liquid chromatography/tandem mass spectrometry (LC/MS-MS)