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Test Code Barb Conf Barbiturate Confirmation

Important Note

Order reflexed when preliminary screened urine is positive for Barbituates. 

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

Panel Components

  • Amobarbital
  • Butalbital
  • Pentobarbital
  • Phenobarbital
  • Secobarbita

Reference or Target Ranges

Cutoff: 200 ng/mL

Reportable Units

ng/mL

Critical Value

Not defined for this assay

Reasons for Rejection

 

 

Hemolysis Threshold N/A
Icterus Threshold N/A
Lipemia Threshold N/A
Other QNS, contaminated, improperly labeled, improper specimen type

 

 

Specimen Stability

 

 

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

 

 

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