Test Overview
Test Methodology

GC/MS

Test Usage

Detection of barbiturates, including amobarbital, butabarbital, butalbital, pentobarbital, phenobarbital, and secobarbital.

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
MSBAR
MiChart Code
Barbiturate Confirmation, Urine
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

    Barbiturate Screen (UBARB) and Barbiturate Qualitative Confirmation (MSBAR) performed by Drug Analysis and Toxicology Laboratory. Barbiturate Quantitative (BARBU) Confirmation sent to Warde Medical Laboratory.

    Billing
    CPT Code
    80345
    Fee Code
    20025
    LOINC
    16429-3
    NY State Approved
    No