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Drugs of abuse testing; determination of prevalent methamphetamine isomer to differentiate illicit use
Mass spectrometry (MS)
Urine temperature monitoring is recommended for samples to be tested for medicolegal purposes.
Maintain specimen at room temperature. If arrival extends beyond seven days, then refrigerate.
Causes for Rejection
Quantity not sufficient for analysis; improper specimen (serum, plasma, blood); incomplete chain-of-custody documentation; incomplete specimen identification
This test is only performed if methamphetamine is positive (See test 071282 to determine whether methamphetamine is present.). Chain-of-custody documentation is required for samples submitted for preëmployment, random employee testing, and forensic purposes. For other applications, use the standard test request form. Please mark chain-of-custody test number on the test request form.