BARBITURATE, URINE, CLINICAL, GC/MS CONFIRMATION (QUANTITATIVE)

Test Documentation
Components
GC/MS confirmation for identification of amobarbital, butabarbital, butalbital, pentobarbital, secobarbital, and phenobarbital. (Or please contact the laboratory if another barbiturate is suspected.) Also see Drug Abuse Screen, Urine Panels with GC/MS confirmations.

Specimen Required
Collect random urine. Mix well and send 10.0 mL urine (1.5 mL minimum) refrigerated in a screw-capped plastic urine container.

Methodology
Gas Chromatography/Mass Spectrometry

Stability
Room Temperature: 48 hours; Refrigerated: 14 days; Frozen: 14 days

Reference Range
Decision level: 40 ng/mL (200 ng/mL for phenobarbital)

Performed
Monday-Friday

Turnaround Time1-2 days
Test CodeUBAGL
CPT-4 Code (s)
80345 (G0480)
LOINC Codes
20411-5

Warde
Medical
Laboratory