BARBITURATES, SERUM OR PLASMA, QUANTITATIVE

Test Documentation
Specimen Required
Draw blood in a red-top tube. Centrifuge, separate serum from cells within 2 hours of collection and send 3.5 mL serum (1.5 mL minimum) refrigerated in a screw-capped plastic vial.

Rejection Criteria
Separator tubes, light blue sodium citrate, specimens exposed to repeated freeze/thaw cycles.

Methodology
Quantitative Gas Chromatography - Mass Spectrometry

Stability
Room temperature: 7 days; Refrigerated: 14 days; Frozen: 3 years

Reference Range
By report

Performed
Tuesday, Thursday, Saturday

Turnaround Time3-6 days
Test CodeBARSP
CPT-4 Code (s)
80345 (G0480)
LOINC Codes
Phenobarbital, S/P, Quant   3948-7  
Butalbital, S/P, Quant   6895-7  
Pentobarbital, S/P, Quant   3924-8  
Amobarbital, S/P, Quant   3338-1  
Secobarbital, S/P, Quant   4028-7  

Warde
Medical
Laboratory