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 GC/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
  • MSBENZ
  • BENZODIAZEPINE CONFIRMATION
  • MSBEN
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
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