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Test Code Pentobarb Lvl Pentobarbital

Useful For

Detection and quantitation of pentobarbital in serum.

Patient Preparation

No special patient preparation required

Special Collection Instructions

Trough Level

Collection Method

Venous collection

Minimum Volume

1 mL

Container

Red / Additive Free

Preferred Specimen

5 mL Red Top

Acceptable Specimens

5 mL Red Top

Reference or Target Ranges

Sedation 1 – 5 ug/mL
Intracranial Pressure Therapy 25 – 40 ug/mL
Therapeutic coma 20 – 50 ug/mL

Reportable Units

ug/mL

Critical Value

Not defined for this assay

Reasons for Rejection



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Hemolysis Threshold
 Reject
Icterus Threshold
 OK
Lipemia Threshold
 OK
Other
 QNS, contaminated, improperly labeled, improper specimen type

Specimen Stability



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

Performance Information



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Days and Time Performed
 Monday – Friday 730 AM – 430 PM
Expected Turn Around Time
 72 hours
Stat Availability
 On call available. Contact laboratory if needed.
Performing Bench
 Toxicology
Methodology/Method Description
 GCMS – Solid Phase Extraction Gas Chromatography Mass Spectrometry Analysis

Additional Information/Important Notes

Concentrations >1 ug/mL reported.
Toxic values for sedation : > 10 ug/mL

CPT Codes

G0480