Keystone Laboratory administrative offices will be closed on Monday, September 4th to honor and observe Labor Day. We will resume our normal business hours on Tuesday, September 5th.
UC35002 ; SC35002
Urine ; Oral Fluid
Plastic urine container without preservative
Room temperature. For storage beyond three days, specimen should be refrigerated or frozen.
Detect presence of dextromethorphan, an over-the-counter cough suppressant with abuse potential
Liquid chromatography/tandem mass spectrometry (LC/MS-MS)
Extensive Metabolizer – 1 Day
Poor Metabolizer – 4-8 Days