Detect presence of hydrocodone, a semisynthetic opioid analgesic
Screw cap plastic container (sterile)
Refrigerated (preferred)
Ambient - 3 days
For storage beyond three days, specimen should be refrigerated or frozen.
Frozen (OK)
Liquid chromatography/tandem mass spectrometry (LC/MS-MS)
Hydrocodone: 10 - 100 ng/mL
Hydromorphone: 1 - 30 ng/mL
Dihydrocodeine: Not established