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AMPHE
AMPHETAMINES SCREEN WITH GC-MS CONFIRMATION, URINE

Test Code AMPHE 
Test AMPHETAMINES SCREEN WITH GC-MS CONFIRMATION, URINE 
Methodology Enzyme Immunoassay (EIA)
Gas Chromatography-Mass Spectrophotometry (GC-MS), if indicated 
Description The screening assay detects amphetamine and/or methamphetamine in urine with minimal cross reactivity to various over the counter amphetamine-like compounds. If the amphetamines screen is > = 500 ng/mL, the amphetamines confirmation/quantitation by GC-MS is performed at an additional charge.

THIS TEST IS INTENDED FOR CLINICAL MONITORING AND MANAGEMENT OF PATIENTS. IT IS NOT INTENDED FOR NON-MEDICAL USE SUCH AS EMPLOYMENT OR FORENSIC TESTING.

Note: Specific gravity, pH, creatinine and oxidants will be performed and reported at no additional charge to identify potential adulteration of the urine specimen.

INTENDED POSITIVES:
Amphetamine, dextroamphetamine, lisdexamfetamine (Adderall, Dexedrine, DextroStat, LiQuadd, ProCentra, Vyvanse, Speed)
Benzphetamine (Didrex)
Methamphetamine (Desoxyn, Crank, Crystal, Ice, Meth)
Methylenedioxyamphetamine (MDA), Methylenedioxymethamphetamine (Ecstasy, MDMA)
Phentermine (Adipex-P, Ionamin, Pro-Fast)

POSSIBLE UNINTENDED POSITIVES:
Levmetamfetamine (Vicks vapoInhaler)
Selegine (Eldepryl, Emsam, Zelapar) 

Specimen 25 mL (10.0 mL minimum) from a random urine collection in a non-sterile urine container. Send specimen refrigerated. 
Reference Values Not Detected
EIA cutoff concentration: 500 ng/mL

GC-MS cutoff concentrations
- Amphetamine: < 100 ng/mL
- Methamphetamine: <100 ng/mL
- MDMA (Ecstasy): < 100 ng/mL
- MDA (Ecstasy metabolite): < 100 ng/mL
- MDEA: < 100 ng/Ml 

Analytic Time 1 Day; 4 Days if positive 
Day(s) Test Set Up Monday through Friday 
CPT Code(s) 80307  Drug screen, qualitative, single drug class method
80326  Amphetamine confirm/quant, if indicated
G0480 or  G0481 or G0482 or G0483, Drug test(s), definitive (Government payers, if appropriate), if indicated