AMPHETAMINES [D/L DIFFERENTIATION], URINE

Specimen Required
Collect 2.0 mL random urine (0.7 mL minimum) and send refrigerated in a screw-capped plastic vial.

Methodology
High Performance Liquid Chromatography/Tandem Mass Spectrometry

Stability
Room temperature: 30 days; Refrigerated: 5 months; Frozen: 30 days

Reference Range
By report

Performed
Monday-Sunday

Turnaround Time6-8 days
Test CodeAMDLU
CPT-4 Code (s)
80324 (G0480)
LOINC Codes
D-Amphetamine:   20525-2  
L-Amphetamine:   19146-0  
Percent of D-Amphetamine:   31025-0  
Percent of L-Amphetamine:   31016-9  
D-Methamphetamine:   12477-6  
L-Methamphetamine:   12478-4  
Percent of D-Methamphetamine:   31026-8  
Percent of L-Metamphetamine:   15404-7  

Warde
Medical
Laboratory