Test Overview
Test Methodology

LC-QTOF-MS

Test Usage

Detection of benzodiazepines, including diazepam, nordiazepam, chlordiazepoxide, clorazepate, oxazepam, prazepam, temazepam, and fluorazepam.

Reference Range *

Non-detected

* Reference ranges may change over time. Please refer to the original patient report when evaluating results.

Test Limitations

Positive immunoassay results should be considered presumptive. Positive immunoassay results will be confirmed by LC-QTOF-MS, if requested by the client.

Test Details
Days Set Up
Daily
Analytic Time

1 - 2 days

Soft Order Code
MSBEN
MiChart Code
Benzodiazepine Confirmation Testing
Synonyms
    Laboratory
    Chemical Pathology
    Section
    Drug Analysis
    Specimen Requirements
    Collection Instructions

    Collect random urine specimen. Refrigerate.

    Normal Volume

    Screen: 5 mL urine, Confirmation: 10 mL urine

    Minimum Volume

    Screen: 1 mL urine, Confirmation: 10 mL urine

    Additional Information

    Benzodiazepine Screen (UBENZ) and Benzodiazepine Qualitative Confirmation (MSBEN) performed by Drug Analysis and Toxicology Laboratory. Benzodiazepine Quantitative Confirmation (BENZU) sent to Warde Medical Laboratory.

    Billing
    CPT Code
    80346
    Fee Code
    20029
    LOINC
    16195-0
    NY State Approved
    No