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Lab Dept:
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Chemistry
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Test Name:
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ROHYPNOL LEVEL, URINE
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General Information
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Lab Order Codes:
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ROHU
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Synonyms:
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Flunitrazepam urine; Date rape pill; Roach-2; Roachies; Roofenol; Roofies
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CPT Codes:
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G0431 – Drug screen, qualitative, single drug class method, each drug class
A positive screen will reflex to the following for confirmation:
82542– Column chromatography/mass spectrometry, analyte not elsewhere specified; quantitative, single stationary and mobile phase
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Test Includes:
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Urine rohypnol screen and confirmation testing if screen is positive.
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Logistics
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Test Indications:
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N/A
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Lab Testing Sections:
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Chemistry - Sendouts
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Referred to:
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MedTox Laboratories (Test# 436)
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Phone Numbers:
Minneapolis:
Saint Paul:
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612-813-6280
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651-220-6550
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Test Availability:
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Daily, 24 hours
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Turnaround Time:
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1-7 days
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Special Instructions:
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N/A
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Specimen
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Specimen Type:
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Random urine
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Container:
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Leak-proof urine container
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Draw Volume:
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Entire collection
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Processed Volume:
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10 mL (Minimum: 3 mL) urine
Note: Submission of the minimum volume results in an elevated reporting range and inability to repeat analysis.
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Collection:
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Routine urine collection, no preservative
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Special Processing:
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Lab Staff: Mix sample well, remove urine aliquot into a screw-top round bottom container. Store and ship at refrigerated temperatures. Forward promptly.
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Patient Preparation:
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None
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Sample Rejection:
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Mislabeled or unlabeled specimens
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Interpretive
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Reference Range:
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Negative
Note: Specimens are screened at a threshold concentration of 100 ng/mL. Any positive result is confirmed by Gas Chromatography with Mass Spectrometry (GS/MS).
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Critical Values:
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N/A
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Limitations:
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Reporting limit: 100 ng/mL
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Methodology:
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Immunoassay (IA); Confirmation: Gas chromatography/Mass Spectrometry (GC/MS)
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References:
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MedTox Laboratories May 2010
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