Clinics and Departments

Laboratory Services

Lab Dept:

Chemistry

Test Name:

ROHYPNOL LEVEL, URINE

General Information

Lab Order Codes:

ROHU

Synonyms:

Flunitrazepam urine; Date rape pill; Roach-2; Roachies; Roofenol; Roofies

CPT Codes:

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

Test Includes:

Urine rohypnol screen and confirmation testing if screen is positive.

Logistics

Test Indications:

N/A

Lab Testing Sections:

Chemistry - Sendouts

Referred to:

MedTox Laboratories (MedTox Test: 436)

Phone Numbers:

MIN Lab: 612-813-6280

STP Lab: 651-220-6550

Test Availability:

Daily, 24 hours

Turnaround Time:

1-7 days

Special Instructions:

N/A

Specimen

Specimen Type:

Random urine

Container:

Leak-proof urine container

Draw Volume:

Entire collection

Processed Volume:

10 mL (Minimum: 3 mL) urine

Note: Submission of the minimum volume results in an elevated reporting range and inability to repeat analysis.

Collection:

Routine urine collection, no preservative

Special Processing:

Lab Staff: Mix sample well, remove urine aliquot into a screw-top round bottom container. Store and ship at refrigerated temperatures. Forward promptly.

Patient Preparation:

None

Sample Rejection:

Mislabeled or unlabeled specimens

Interpretive

Reference Range:

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).

Critical Values:

N/A

Limitations:

Reporting limit: 100 ng/mL

Methodology:

Immunoassay (IA); Confirmation: Gas chromatography/Mass Spectrometry (GC/MS)

References:

MedTox Laboratories May 2010



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