Amphetamines, Serum/Plasma, Quantitative Confirmation

Abbrev Code:AMPHEC   
Order Code:LAB1146Order Name:Amphetamines S/P Quant
Synonyms:Methamphetamine; Methylenedioxyamphetamine (MDA); Methylenedioxymethamphetamine (Ecstasy, MDMA); Methylenedioxyethylamphetamine (Eve, MDEA)
Methodology:Quantitative liquid chromatography/Tandem mass spectrometry
CPT Codes: 80324 x1, 80324 x1, 80359 x1, 80359 x1, G0480 x2
Test Includes:Amphetamines (x5) and confirmation of positive tests.
Turnaround Time:Specimens are sent to the reference laboratory Tues; results are reported within 1-8 days.

This test uses a manufacturer labeled Analyte Specific Reagent (ASR) as the reagent providing the specificity of the assay. The test was developed and its performance characteristics determined by ARUP Laboratories. It has not been cleared or approved by the US Food and Drug Administration. This test was performed in a CLIA certified laboratory and is intended for clinical purposes.

Collection Instructions

Optimal Volume:2 mL
Minimum\Peds Volume:1.2 mL
Container:Gray (sodium fluoride + potassium oxalate)
Alternate Containers: Green (sodium heparin, no gel), Purple (EDTA), Red (no gel)
Causes for Rejection:Gel separator tubes. Plasma or whole blood collected in light blue (sodium citrate). Specimens exposed to repeated freeze/thaw cycles. Hemolyzed specimens.

Processing and Shipping

Specimen Processing:Centrifuge and separate within 2 hours of collection. Aliquot 1 mL, 0.5 mL minimum. Store in refrigerator.
Shipping Instructions:Ship at refrigerated temperature.
Stability:After separation from cells: 1 week at room temperature; 2 weeks refrigerated; 3 years frozen.
Test Performed at or Referral Lab Lab Sendouts  (ARUP)
Referral Lab number:2010066


Therapeutic Range:
Drugs Covered Positive Cutoff
Amphetamine 20 ng/mL
Methamphetamine 20 ng/mL
Methylenedioxyamphetamine (MDA) 20 ng/mL
Methylenedioxymethamphetamine (Ecstasy, MDMA) 20 ng/mL
Methylenedioxyethylamphetamine (Eve, MDEA) 20 ng/mL
Use:Detect exposure to amphetamines. For medical purposes only; not vaild for forensic use.

The absence of expected drug(s) and/or metabolite(s) may indicate non-compliance, inappropriate timing of specimen collection relative to drug administration, poor drug absorption or limitations of testing. The concentration value must be greater than or equal to the cutoff to be reported as positive. Interpretive questions should be directed to the laboratory.

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