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Test Code Barb Conf Barbiturate Confirmation

Useful For

Drug confirmation for amobarbital, butalbital, pentobarbital, phenobarbital, and secobarbital in urine.

Patient Preparation

No special patient preparation required

Special Collection Instructions

No preservatives

Collection Method

Random urine

Minimum Volume

5 mL

Container

Sterile Cup

Preferred Specimen

30 mL freshly voided urine

Acceptable Specimens

5 mL freshly voided urine

Reference or Target Ranges

Cutoff: 200 ng/mL

Reportable Units

ng/mL

Critical Value

Not defined for this assay

Reasons for Rejection



<!-- Rejection-->
Hemolysis Threshold
 N/A
Icterus Threshold
 N/A
Lipemia Threshold
 N/A
Other
 QNS, contaminated, improperly labeled, improper specimen type

Specimen Stability



<!-- Stability -->
Ambient
 7 days
Refrigerated (4°C to 8°C)
 14 days
Frozen(-40°C to 0°C)
 365 days

Performance Information



<!-- Performance information -->
Days and Time Performed
 Monday – Friday 730 AM – 430 PM
Expected Turn Around Time
 72 hours
Stat Availability
 No
Performing Bench
 Toxicology
Methodology/Method Description
 GCMS – Solid Phase Extraction Gas Chromatography Mass Spectrometry Analysis

Additional Information/Important Notes

Patients <200 ng/mL reported as negative.

CPT Codes

G0480

Panel Components

  • Amobarbital
  • Butalbital
  • Pentobarbital
  • Phenobarbital
  • Secobarbita